Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK MFPN=TR2UNA-115 One of the single biggest

One of the single biggest improvements you can make to your fork

The XG-1270 D1 cassette is designed to operate with XDR driver bodies

Ski selection advice

The clutch has integrated adjustability effectively providing the individual balance between pedal feedback and chain retention for your bikes chain growth

2nd liningPolyester 100%

Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK MFPN=TR2UNA-115 One of the single biggestThe Shimano BR RS811 R under bottom bracket mount road brake caliper provides an exceptional balance of rigidity weight and stopping power. Features a sleek and integrated low profile design that is compatible with 20. 8 28mm wide rims and up to 28C sized tires. Exceptional balance of rigidity weight and stopping power Sleek and integrated low profile caliper design Compatible with 20. 8 28mm wide rims and up to 28C sized tires Includes R55C4