Shimano Ultegra BR-R8100 Rim Brake Rear Cassons Hardened tool steel puncture pin

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

stiff nylon bristles make this brush ideal for derailleurs

ultra-quiet

This sleeveless

Compatible with all OD2 head tubes sizes

Shimano Ultegra BR-R8100 Rim Brake Rear Cassons Hardened tool steel puncture pinShimano 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