Shimano R55C4 Road Brake Pads for Carbon Rims - Pair

Shimano R55C4 Road Brake Pads for Carbon Rims - Pair Shimano

Shimano R55C4 Road Brake Pads for Carbon Rims - Pair

Shimano R55C4 Road Brake Pads for Carbon Rims - Pair

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Why Do Carbon Rim Brake Bikes Need the Shimano R55C4 Carbon Pad?

The Shimano R55C4 for carbon rims is a purpose-formulated brake shoe for riders on carbon clincher or tubular wheels paired with Shimano rim brake calipers. Carbon rim braking surfaces are fundamentally different from aluminum. They are heat-sensitive, require a compound that transfers braking energy without concentrating heat at the rim, and will be permanently damaged by standard aluminum-formulated pads. The R55C4 carbon compound is specifically engineered for this application, delivering controlled, predictable stopping power on carbon rims without the rim-damaging heat buildup that aluminum pads cause. The cartridge-type design fits the standard R55 shoe holder system already mounted on Shimano calipers.

Compatible caliper families span the full Shimano road rim brake lineup using R55 shoe holders: Dura-Ace 7700 through R9100 and R9200, Ultegra 6500 through R8000, 105 5500 through R7000, and select Tiagra and cyclocross models. Specific compatible models include BR-R9200, BR-R9100, BR-9000, BR-7900, BR-7800, BR-7700, BR-R8000, BR-6800, BR-6700, BR-6600, BR-6500, BR-R7000, BR-5800, BR-5700, BR-5600, BR-5500, BR-R650, BR-R600, BR-R561, BR-R560, and BR-CX70. Each package includes one pair of pads. Never use this pad on aluminum rims. The carbon compound is not optimized for aluminum surfaces and will reduce braking performance.

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Specifications

  • Model: R55C4 for Carbon Rims
  • Rim Compatibility: Carbon rims only
  • Shoe Type: Cartridge type -- fits R55 shoe holder
  • Package: 1 pair
  • Compatible Calipers: BR-R9200, BR-R9100, BR-9000, BR-7900, BR-7800, BR-7700, BR-R8000, BR-6800, BR-6700, BR-6600, BR-6500, BR-R7000, BR-5800, BR-5700, BR-5600, BR-5500, BR-R650, BR-R600, BR-R561, BR-R560, BR-CX70

FAQ

Why can't I use standard aluminum pads on carbon rims?

Standard aluminum-formulated pads like the R55C4 aluminum version are not designed for carbon braking surfaces. They concentrate heat differently and can cause rapid rim degradation, delamination, or catastrophic rim failure under sustained braking. Carbon rims require pads specifically formulated to dissipate heat safely through the carbon surface.

Can I use this pad on aluminum rims if I run out of carbon pads?

No. The R55C4 carbon compound is optimized for carbon rim braking surfaces and will deliver reduced braking performance on aluminum rims. Always use the correct pad for your rim material.

Does this include the shoe holders?

No. This is a cartridge-only replacement that slots into existing R55 shoe holders already mounted on your brake caliper.

Best For

Road cyclists running carbon clincher or tubular wheels with Shimano R55 cartridge-compatible rim brake calipers who need the correct carbon-specific brake pad to protect their rim investment while maintaining reliable stopping performance.

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