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

2nd liningPolyester 100%

stainless steel clips and cleats

5” front wheels use 46mm

The Force TT/Tri disc brake puts effortless power and modulation at your fingertips

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