Shimano Ultegra BR-R8100 Rim Brake Rear Cassons Compatible with all OD2 head

Compatible with all OD2 head tubes sizes

stiff nylon bristles make this brush ideal for derailleurs

Hardened tool steel puncture pin is more than 2X the hardness of traditional puncture pins to ensure smooth operation in all conditions over many years

There are two key factors that are important to take into account: your body weight and if you’re used to caffeine

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Shimano Ultegra BR-R8100 Rim Brake Rear Cassons Compatible with all OD2 headShimano Br R8100 Front Brake Ultegra Features Ultegra components offer an ideal balance of light weight and stiffness, making them perfect for both enthusiast and competitive riders. Dual pivot caliper brake with Super SLR EV design for quick linear response, increased rigidity, and improved braking power. Must be used in conjunction with Super SLR levers for correct leverage ratio. Enhanced brake arch proportions provide a quicker linear response and