L04c Brake Pads Alternative

How to choose an L04C brake pad alternative

Match the pad shape first

Pad shape decides fit before compound decides feel. The L04C is Shimano’s L-type narrow pad for 2-piston flat-mount calipers. A 4-piston H03C or N04C pad, a B-type pad, and an MTB B01S pad are all the wrong shape for these calipers, even when a listing calls them Shimano compatible. Compare the new pad’s outline and backing plate against your old pad, and confirm your caliper model from Shimano’s chart before you order anything.

Pick the compound for your riding

Resin pads suit most road riding: they bite well from cold, run quiet, and modulate predictably. Metal pads suit heavy riders, long descents, and gritty winter miles: they resist fade and last longer, but they are louder and modulate less finely. Semi-metallic and hybrid pads sit between the two. Do not choose metal just because it sounds stronger, and do not choose resin just because it sounds quieter — match the compound to the descents you actually ride.

Decide whether fins matter to you

Finned L-type pads carry radiator fins above the caliper that move heat off the pad on sustained descents. On flat or rolling rides the benefit is small, and the finless K-type equivalent of the same compound is a valid cheaper sibling that fits the same calipers. If your regular rides include long descents, or you ride loaded, choose the finned version. If they do not, do not pay for fins you will never heat up.

Check the rotor and the caliper together

Pads and rotors wear as a pair. A scored, thin, or contaminated rotor will make even a good pad noisy and weak, and a new pad will not fix a bent rotor. Check rotor thickness against the maker’s minimum, look for scoring and heat discoloration, and clean the rotor with isopropyl alcohol before fitting new pads. If the rotor is worn, replace pads and rotor together rather than bedding a new pad onto a damaged surface.

Bed the pads in, every time

New pads need a proper bed-in before they deliver full braking. Owner sources in this guide report that correct bedding-in extends pad life several-fold, while skipped bedding-in is a common cause of noise and weak initial braking. Follow the pad maker’s bed-in steps: a series of controlled stops from moderate speed, without dragging the brakes to a standstill, then a cooling period. Do not judge a new pad on its first ride before it is bedded in.

Buy genuine, or buy a named third party

Counterfeit Shimano pads are a documented problem on marketplaces, and one owner report in this guide describes a convincing fake set that failed on a ride. Buy genuine Shimano pads through authorised retailers, or buy a named third-party pad whose shape and compound are published, like the SwissStop and Jagwire picks below. Be sceptical of any listing that shows no part number, no compound, and no caliper list.

The table above follows Shimano’s C-192 chart and the BikeTiresDirect fitment lists for the L04C and L05A. It covers 2-piston flat-mount calipers only. Four-piston calipers take different pads: see our N04C brake pads alternative guide for that shape, and do not fit an L-type pad to a 4-piston caliper. The full category archive for this guide is the Brake Pads category, under Brakes, Suspension and Steering.

L04C alternatives by budget tier

Budget here means the class of pad, not a price claim: this guide records no prices. The value tier is the third-party Inkesky BR-07 shape because its variant table names L04C compatibility; no buyable offer for that variant was verified, so no buy link is printed. The genuine tier costs the step up to Shimano’s own pads through an authorised seller. The premium tier is justified only if you ride the descents that use its finned design. Pad hardware — pins, springs and clips — wears with the pads; our brake hardware kits under 50 guide and our brake hardware kits under 25 guide cover the kits that renew that hardware at a pad change.

Brake pad compound types compared

Shimano’s own chart makes the same trade visible in ratings: resin (L05A) rates 5 for modulation and silence and 4 for power and anti-fade, while metal (L04C) rates 5 for power and anti-fade and 4 for modulation and silence. Both rate 5 for durability on that chart. The chart is a maker comparison, not a test result, and owner reports in this guide broadly match it.

Detailed reviews of the L04C alternatives

Each review below follows the same order: why the pad is a pick, its maker-stated specs, its fits and best use, its pros and watch-outs, what owners report, who should not buy it, and what to pair it with. Specs come from maker documents only; where a spec was not published, the review says so rather than guessing. One set covers one brake, so two sets complete a bike.

The baseline pad: Shimano L04C-MF

The baseline pad

Why the Shimano L04C-MF is our pick

The L04C-MF is the pad this guide is about: Shimano’s own finned metal pad for 2-piston flat-mount road and gravel calipers. It suits riders who found resin pads fading or wearing too fast on long descents, in wet grit, or under a heavy load. Shimano’s chart gives it the highest power and anti-fade ratings in the L-type family, and BikeTiresDirect calls it Shimano’s ultimate wintertime metallic pad. It is not the quietest pad here, and not the pick for flat, dry commuting — but for conditions that punish resin, it is the reference every alternative below is measured against.

Shimano L04C-MF key specs

• Maker: Shimano
• Model: BP-L04C-MF
• Compound: Metal (sintered)
• Pad shape: L-type, narrow
• Radiator fin: Yes, Ice-Tech fin fitted
• Back plate: Stainless steel and aluminum
• High heat insulation layer: No
• Maker ratings: Modulation 4, power 5, durability 5, anti-fade 5, silence 4
• Supplier article number: IBPL04CMFA
• EAN: 4550170639471
• Set coverage: One brake per set; two sets for front and rear
• Use: Road, gravel, cyclocross

Shimano L04C-MF: fits and best for

The L04C-MF fits Shimano 2-piston flat-mount calipers including Dura-Ace BR-R9170 and BR-R9270 family, Ultegra BR-R8070 and BR-R8170, 105 BR-R7070 and BR-R7170, Tiagra BR-4770, GRX BR-RX810 and BR-RX400, the RS805, RS505, RS405 and RS305 series, Metrea BR-U5000, and flat-mount Deore XT BR-M8110 and SLX BR-M7110. It is best for long descents, wet and gritty winter miles, heavier riders, and loaded gravel riding, and it is the direct metal replacement for any K or L series Shimano pad in those calipers.

Shimano L04C-MF pros and watch-outs

Shimano L04C-MF: what owners report

Shimano L04C-MF: who should not buy

Do not buy the L04C-MF if your riding is flat, dry, and short, and you value silence above all else — the resin L05A below will suit you better. Do not buy it for a 4-piston caliper, a rim brake, or an MTB caliper outside the flat-mount list above. If your caliper is a 4-piston model, see our N04C brake pads alternative guide instead.

Shimano L04C-MF: pair it with

Pair new L04C-MF pads with a clean, undamaged rotor and a fresh bed-in. If the rotor is scored or below its minimum thickness, replace it with the pad change. For rotor and pad care basics, see our brake pads material guide.

No verified Amazon listing for the genuine L04C-MF was found in this research, so no buy link for it is printed here and no ASIN is claimed. Store only: buy through an authorised Shimano dealer by part number BP-L04C-MF.

Tip: compare the pad outline against your old pad before ordering. Our brake pads under 50 guide covers the budget end of the same buying decision.

Best for most road riders: Shimano L05A-RF

Best for most road riders

Why the Shimano L05A-RF is our pick

The L05A-RF is Shimano’s current genuine resin pad and the pick for most road riders. It is finned, quiet, and rated by Shimano at 5 for modulation and silence, against 4 for the metal L04C. BikeTiresDirect lists it as the official replacement for all Shimano resin pads, with a claimed 50 percent more wear resistance than the L03A it replaced. Owners report that genuine Shimano resin pads bed in easily, run quiet, and outlast cheaper third-party pads. If your rides are mostly road and rolling terrain, and you brake from cold far more often than down a mountain, this is the pad to start from.

Shimano L05A-RF key specs

• Maker: Shimano
• Model: BP-L05A-RF
• Compound: Resin (organic)
• Pad shape: L-type, narrow
• Radiator fin: Yes, alloy radiator fin fitted
• Back plate: Aluminum
• High heat insulation layer: Yes
• Maker ratings: Modulation 5, power 4, durability 5, anti-fade 4, silence 5
• Manufacturer part number: EBPL05ARFA
• Wear claim: 50 percent more wear resistance than L03A, per retailer listing
• Set coverage: One brake per set; two sets for front and rear
• Replaces: L03A resin pads, per BikeTiresDirect

Shimano L05A-RF: fits and best for

The L05A-RF fits the same 2-piston flat-mount calipers as the L04C: Dura-Ace BR-R9170 and BR-R9270 family, Ultegra BR-R8070 and BR-R8170, 105 BR-R7070 and BR-R7170, Tiagra BR-4770, GRX BR-RX810 and BR-RX400, the RS805, RS505, RS405 and RS305 series, Metrea BR-U5000, and flat-mount Deore XT BR-M8110 and SLX BR-M7110. It is best for road and gravel riding where quiet braking, fine modulation, and strong cold bite matter most, and where descents are short or occasional rather than sustained.

Shimano L05A-RF pros and watch-outs

Shimano L05A-RF: what owners report

Shimano L05A-RF: who should not buy

Do not buy the L05A-RF if your regular rides include long descents, heavy loads, or gritty winter miles where resin wears fast — the metal L04C above is the better compound for that riding. Do not buy it for a 4-piston caliper or a rim brake. If you ride mostly in those punishing conditions, read the metal pick first.

Shimano L05A-RF: pair it with

Pair new L05A-RF pads with a clean rotor and a careful bed-in, and keep the fin area clear of mud so the radiator fins can shed heat. If you swap between resin and metal pads, clean the rotor thoroughly at the swap: mixed pad deposits are a common cause of noise. See our brake pads material guide for the compound trade in full.

No verified Amazon listing for the genuine L05A-RF was found in this research, so no buy link for it is printed here and no ASIN is claimed. Store only: buy through an authorised Shimano dealer by part number EBPL05ARFA.

Tip: resin pads reward a proper bed-in more than any other compound. Our brake caliper tools guide covers the tools that make a pad swap straightforward.

Third-party metal option: Inkesky BR-07 L04C variant

Third-party metal option

Why the Inkesky BR-07 L04C variant is our pick

The Inkesky BR-07 is the third-party metal option in this guide: the metal, finned variant of the one Amazon listing family whose ASIN, model, and variant table could be checked directly in this research seat. The listing’s variant table names BR-07 as metal and compatible with L04C, making it the third-party metal stand-in for the genuine L04C-MF. No buyable offer for the BR-07 variant was verified, so no buy link is printed for it. It suits a rider who wants the metal compound shape now, through a dealer or marketplace listing checked by variant name, rather than waiting on genuine Shimano stock. The discipline it demands is variant selection: the listing’s default variant is a 4-piston pad, and ordering it by mistake buys the wrong part.

Inkesky BR-07 L04C variant key specs

• Maker: Inkesky
• Model: BR-07 (L04C variant of the BR family listing)
• Compound: Metal
• Cooling fin: Yes, aluminum fin per listing variant table
• Compatible Shimano pad: L04C
• Parent listing ASIN: B0B3DKBM7Y
• Parent listing model shown: BR-08
• Parent listing MPN: INK-BR08
• Parent listing UPC: 707025684047
• Listing family materials: Metal friction, aluminum alloy base plate, aluminum fins
• Included components: Pad, pin, spring, per parent listing
• Variant warning: Default variant is BR-08, H03C, 4-piston — not this pad

Inkesky BR-07 L04C variant: fits and best for

Select the BR-07 variant and the pad is listed for the L04C shape, fitting the same 2-piston flat-mount road and gravel calipers as the genuine L04C-MF: Dura-Ace, Ultegra, 105, Tiagra, GRX, RS-series, and Metrea calipers in the fitment table above. It is best for the same riding as the genuine metal pad: long descents, wet grit, heavier riders, and loaded gravel miles. It is not a 4-piston pad, and the BR-08 default variant must not be ordered for a road caliper.

Inkesky BR-07 L04C variant pros and watch-outs

Inkesky BR-07 L04C variant: what owners report

Inkesky BR-07 L04C variant: who should not buy

Do not buy the BR-07 variant if you want a genuine Shimano pad, or if you will not check the variant name before ordering — a careless order on this listing buys a 4-piston pad. Do not buy it if your riding is flat, dry, and quiet-first: the resin variant of the same listing, or the genuine L05A, suits that riding better.

Inkesky BR-07 L04C variant: pair it with

Pair the BR-07 variant with a clean rotor, a piston reset using the old pad as a pusher, and a full bed-in before any big descent. Keep the listing open while you fit the pads so you can re-check the variant name against the pads in your hand. For the tools involved, see our brake caliper tools guide.

Store only: no buy link is printed for the BR-07 variant, because no buyable offer for it was verified. Check the variant name and availability before ordering from any listing or dealer.

Tip: note the variant name before checkout. Our N04C guide shows why variant discipline matters on multi-variant brake pad listings.

Premium third-party finned pad: SwissStop Disc 34 EXOTherm2

Premium third-party finned pad

Why the SwissStop Disc 34 EXOTherm2 is our pick

The Disc 34 EXOTherm2 is the premium third-party pick: a finned pad from a specialist brake maker, listed for the L04C shape, with a hybrid-resin compound that aims at resin quietness with better durability. It suits a rider who wants a finned pad for descents but prefers a resin-family feel to full metal, and who will buy through a dealer rather than a verified Amazon listing. Owner reports in this guide’s sources rate it at or above the stock Shimano pads on noise, wear, and fade resistance, the strongest third-party owner record in this guide.

SwissStop Disc 34 EXOTherm2 key specs

• Maker: SwissStop
• Model: Disc 34 EXOTherm2
• Article number: P100005317
• EAN: 7640121223631
• Compound: EXOTherm2 hybrid resin
• Backing plate: Aluminum, with integrated cooling fins
• Weight: 17 g per pad set, 19 g with screw and pin
• Compatible Shimano pads: K03S, K02S, L03A, L02A, L04C
• Scope of delivery: Pair of pads, return spring, pad retaining screw, safety pin
• Maker claims: Excellent braking performance and durability, extremely low noise
• Compound family: Organic Kevlar, brass, and ceramic blend, per catalogue
• Country of making: Mendrisio, Switzerland, per review spec box

SwissStop Disc 34 EXOTherm2: fits and best for

The Disc 34 EXOTherm2 fits Dura-Ace BR-R9270 and BR-R9170, Ultegra BR-R8170 and BR-R8070, 105 BR-R7070, Tiagra BR-4770, GRX BR-RX810 and BR-RX400, and BR-RS805, RS505, RS405, and RS305 calipers. It is best for long rides and descents where quiet braking matters as much as fade resistance, and for riders who found stock resin pads wearing too fast but do not want full metal noise. It is a finned pad, so it belongs on the same descents that justify the L04C’s fins.

SwissStop Disc 34 EXOTherm2 pros and watch-outs

SwissStop Disc 34 EXOTherm2: what owners report

SwissStop Disc 34 EXOTherm2: who should not buy

Do not buy the Disc 34 EXOTherm2 if you need a verified Amazon buy today, or if you want a genuine Shimano pad for warranty or resale simplicity. Do not buy it for a 4-piston caliper or a rim brake. If your riding is flat and dry, the genuine L05A resin pad gives you the same quietness without the premium third-party step.

SwissStop Disc 34 EXOTherm2: pair it with

Pair the Disc 34 EXOTherm2 with a clean rotor and the included fitting kit, and bed it in on a short ride before any long descent. Confirm the article number P100005317 on the packaging before fitting: the Disc 34 name covers more than one compound, and EXOTherm2 is the one reviewed here. See our brake pads material guide for how hybrid compounds differ from plain resin.

No verified Amazon listing for the SwissStop Disc 34 EXOTherm2 was found in this research, so no buy link for it is printed here and no ASIN is claimed. Store only: buy through an authorised dealer by article number P100005317.

Tip: check the article number, not just the Disc 34 name. Our performance brake pads alternatives guide covers the same name-versus-compound trap in car pads.

Lightweight middle ground: Jagwire Pro Semi-Metallic

Lightweight middle ground

Why the Jagwire Pro Semi-Metallic is our pick

The Jagwire Pro Semi-Metallic pad is the lightweight middle ground: a semi-metallic compound on an aluminum backing plate, listed for every current Shimano road caliper in this guide. It suits a rider who wants more durability and wet-weather performance than resin, without the full noise and modulation cost of metal, and who values low weight. Jagwire describes the Pro Semi-Metallic compound as combining the low noise and positive feel of a resin pad with the longevity and wet-weather performance of a metallic pad. That middle position is where many mixed-surface riders live.

Jagwire Pro Semi-Metallic key specs

• Maker: Jagwire
• Line: Pro Semi-Metallic
• Compound: Semi-metallic
• Backing plate: Lightweight aluminum
• Cooling fins: Not published for this pad
• Sold as: Pairs, with springs or clips where necessary, per Jagwire line description
• Compatible calipers: Dura-Ace R9270, R9170
• Compatible calipers: Ultegra R8170, R8070, 105 R7070, Tiagra 4770
• Compatible calipers: GRX RX810, RX400, RS805, RS505, RS405, RS305, Metrea U5000
• Also listed for: TRP Hylex flat-mount and Tektro HD-R310, HD-R510
• Maker claim: Near 50 percent weight saving from the aluminum backing plate, per listing copy
• Intended use: Road bikes, cross-country race, and light all-round use

Jagwire Pro Semi-Metallic: fits and best for

The Jagwire Pro Semi-Metallic pad fits Shimano Dura-Ace R9270 and R9170, Ultegra R8170 and R8070, 105 R7070, Tiagra 4770, GRX RX810 and RX400, RS805, RS505, RS405, and RS305, and Metrea U5000 calipers, plus TRP Hylex flat-mount and Tektro HD-R310 and HD-R510 calipers. It is best for mixed road and light gravel riding where weight matters, conditions vary, and neither pure resin nor pure metal is the obvious answer. It is not the pick for sustained alpine descents, because no cooling fins are stated for this pad.

Jagwire Pro Semi-Metallic pros and watch-outs

Jagwire Pro Semi-Metallic: what owners report

Jagwire Pro Semi-Metallic: who should not buy

Do not buy the Jagwire Pro Semi-Metallic pad if your rides centre on long, sustained descents where cooling fins matter — choose a finned pad from this guide instead. Do not buy it for a 4-piston caliper, and do not confuse it with Jagwire’s Elite Cooling pads, which do carry fins but are listed for different caliper families. If you need fins and a third-party pad, the SwissStop Disc 34 EXOTherm2 above is the finned third-party pick here.

Jagwire Pro Semi-Metallic: pair it with

Pair the Jagwire pad with a clean rotor and a careful bed-in, and check the backing plate shape against your old pad before fitting, since Jagwire makes the same compound in many shapes. If you ride in wet conditions often, inspect the pads more frequently, because grit wear is the fastest variable in real riding. See our brake bleeder kit guide for the bleeding tools that belong in the same workshop session.

No verified Amazon listing for the Jagwire Pro Semi-Metallic pad was found in this research, so no buy link for it is printed here and no ASIN is claimed. Store only: buy through an authorised dealer, checking the pad shape against your old pad.

Tip: never trust a compound name alone — check the shape. Our brake caliper review shows how caliper families split pads that look identical in a thumbnail.

Spec comparison

Fitment and installation basics

Start by confirming your caliper model from the marking on the caliper body, not from the bike’s marketing name. Remove the wheel, then the old pads, and push the pistons back gently using the old pad as a pusher so the new, thicker pads fit without forcing them. Clean the caliper body and the rotor with isopropyl alcohol, fit the new pads with the spring and pin or screw supplied, and check that the pads sit square in the caliper before you refit the wheel. Pump the lever several times to set the pistons, spin the wheel to check for rub, and centre the caliper if the rotor touches one pad. Then bed the pads in with controlled stops before any long descent. If the pistons do not retract evenly, or fluid leaks at the caliper, stop and have the brake serviced rather than forcing the pads in. For the tools involved, see our brake caliper tools guide and our brake bleeder kit guide; for the 4-piston shape, see our N04C brake pads alternative guide.

Safety essentials

Three workshop items belong with any pad change, named here without Amazon buttons because no accessory ASIN for bicycle brake tools exists in this post’s research notes or the verified pool: a pad spacer and piston press tool, isopropyl alcohol and lint-free cloths for rotor cleaning, and a torque wrench for caliper bolts. Guides for the same workshop session: our brake bleeder kit guide, our brake caliper tools guide, and our brake caliper review. If you would rather borrow the caliper tools than buy them, see our brake caliper tools to rent guide.

Troubleshooting

Who should NOT buy these

Riders with rim brakes should not buy any pad in this guide. Every pick here is a disc brake pad for hydraulic flat-mount calipers. Rim brake pads are a different part entirely, and no disc pad can be adapted to a rim brake caliper.

Riders with 4-piston calipers should not buy L-type pads. Four-piston Shimano calipers take H-type and N-type pads, not the L-type shape in this guide. Buying an L-type pad for those calipers wastes the purchase and risks a dangerous improvised fit. See our N04C brake pads alternative guide for the 4-piston shape.

Riders who will not check the variant name should not buy from a multi-variant listing. The Inkesky listing in this guide defaults to a 4-piston variant. If you will not confirm the BR-07 or resin variant before checkout, buy a genuine Shimano pad through an authorised dealer instead, where the part number on the box is the check.

Riders chasing the lowest possible spend should not buy a premium third-party pad for flat riding. The SwissStop Disc 34 EXOTherm2 earns its position on descents. On flat, dry roads it adds cost without a benefit you will feel, and the genuine L05A resin pad or the Inkesky resin variant shape covers that riding better.

Final verdict

Best for most road riders: Shimano L05A-RF — quiet, well-modulated current resin pad. Store only: no verified buyable Amazon listing; buy through an authorised dealer.

The baseline pad: Shimano L04C-MF — finned metal pad for descents and wet miles. Store only: no verified buyable Amazon listing; buy through an authorised dealer.

Third-party metal option: Inkesky BR-07 L04C variant — store only: no buyable offer for the BR-07 variant was verified.

Premium third-party finned pad: SwissStop Disc 34 EXOTherm2 — quiet descents, dealer stock. Store only.

Lightweight middle ground: Jagwire Pro Semi-Metallic — semi-metallic blend, no fins stated. Store only.

FAQ

What pad shape replaces the Shimano L04C?

The L-type narrow pad for 2-piston flat-mount calipers. The genuine replacements are the L04C-MF in metal and the L05A-RF in resin, and the third-party alternatives in this guide are all listed for the same L-type shape. Four-piston pads, B-type pads, and MTB B01S pads are different shapes and do not fit these calipers, even when a listing describes them as Shimano compatible.

Is the L04C a car brake pad?

No. The L04C in this guide is a Shimano bicycle disc brake pad for road and gravel bikes. No automotive cross-reference for L04C was verified in maker or parts records in this research, and this guide makes no car fitment claim. If you arrived here looking for a car brake pad, do not order any pad in this guide for a car.

Should I choose resin or metal for road riding?

Choose resin for most road riding: it bites well from cold, runs quiet, and modulates finely, which matches how road brakes are actually used. Choose metal for heavy riders, long descents, loaded gravel riding, and gritty winter miles, where fade resistance and durability matter more than silence. Semi-metallic and hybrid pads sit between the two and suit mixed riding.

Do I really need cooling fins on my pads?

Fins matter on sustained descents, where they move heat off the pad and delay fade. On flat or rolling rides the benefit is small, and the finless K-type equivalent of the same compound fits the same calipers and costs less. Buy fins for the descents you ride regularly, not for descents you imagine riding one day.

Does the L05A fit where the L04C fits?

Yes. Both are L-type narrow pads for the same 2-piston flat-mount calipers, and Shimano’s chart lists them side by side for those calipers. The difference is compound, not shape: L05A is resin with an aluminum back plate and a heat insulation layer, while L04C is metal with a stainless and aluminum back plate and no insulation layer. Swapping between them needs a clean rotor and a fresh bed-in.

Why does the Inkesky listing show a different pad first?

The Inkesky listing is a multi-variant family, and its default presentation is the BR-08 variant, a metal 4-piston pad for H03C calipers. The L04C-compatible variant is BR-07, and the resin variants are named for L02A and L03A. Always select the variant by name before checkout, and check availability: no buyable offer for the BR-07 variant was verified in this research, so this guide prints no buy link for it. Ordering the default variant for a road caliper buys the wrong pad.

Are third-party pads as good as genuine Shimano pads?

Owners in this guide’s sources generally rate genuine Shimano pads above cheap third-party pads for feel, quietness, and life. The exceptions with real owner evidence here are SwissStop’s Disc 34 line and Jagwire’s Pro line, both from specialist makers with published fitment data. Avoid unbranded listings with no part number, no compound, and no caliper list, and beware of counterfeit pads sold under the Shimano name.

How do I bed in new disc brake pads?

Follow the pad maker’s steps, but the usual pattern is a series of controlled stops from moderate speed, without dragging the brakes to a standstill, followed by a cooling period. Owner sources report that correct bed-in extends pad life several-fold and prevents much of the noise blamed on new pads. Do not judge a new pad on its first ride, and do not start bed-in on a long descent.

When should I replace pads and rotors together?

Replace pads when the friction material is nearly gone, when braking weakens, or when contamination cannot be cleaned off. Replace the rotor with the pads if it is scored, below its minimum thickness, bent, or heat-discoloured. A new pad bedded onto a damaged rotor will stay noisy and weak, and a worn rotor shortens the new pad’s life. When in doubt, replace both.

Sources & changelog

Manufacturer and maker sources: Shimano C-192 pad compatibility chart; BikeTiresDirect Shimano L04C-MF page; BikeTiresDirect Shimano L05A-RF page; Excel Sports Shimano L05A-RF page; Meinhartje Shimano L04C distributor record; SwissStop 2020 catalogue; Jagwire Pro Semi-Metallic compatibility listing; Shimano counterfeit pads notice; Inkesky Amazon listing, ASIN B0B3DKBM7Y.

Owner and review sources: BikeTiresDirect L04C owner reviews; BikeTiresDirect L05A owner reviews; BikeTiresDirect SwissStop owner reviews; Bikeboard SwissStop Disc 34 EXOTherm2 review; road.cc SwissStop Disc 34 RS review; TrainerRoad owner thread; Cyclist disc brake pads guide.

Changelog — October 27, 2026: guide first published.

Related guides

N04C brake pads alternative guide; brake pads material guide; brake pads under 50 guide; brake caliper tools guide; brake bleeder kit guide; performance brake pads alternatives guide; Brake Pads category; Brakes, Suspension and Steering category; brake hardware kits under 50 guide; brake hardware kits under 25 guide; brake caliper tools to rent guide.