Shimano R55C 1 Cartridge-Type larger pad thickness ( 1 mm) Brake Pads For Dura Ace, Ultegra, and 105 Brakes.

The ideal compound hardness from Shimanos cartridge pads for road brakes ensures high braking performance, control, and durability. 

Brake Type: side-pull, cantilever
Cartridge Type: yes

Dry Power: above average (4 out of 5)
Wet Power: low (1 out of 5)
Silence: above average (4 out of 5)
Anti-Fading: high (5 out of 5)
Durability (Street): above average (4 out of 5)
Durability (Mud): average (3 out of 5)
Rim Friendly: high (5 out of 5)

Pad Compound: R55C 1
Rim Brake Track: aluminum
Factory Number: Y-8FA98132
Compatibility: Dura Ace BR-9000, BR-7900, BR-7800, BR-7700 / Ultegra BR-6800, BR-6700, BR-6600, BR-6500 / 105 BR-5800, BR-5700, BR-5600, BR-5501, BR-5500 / BR-R650, BR-R600, BR-R561, BR-R560, BR-CX70

- larger pad thickness ( 1 mm)
- soft compound reduces rim wear
- less noise due to soft compound
- increased wear when wet