Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK Model=Boyd Sprocket Thanks to the use of

Thanks to the use of special steel and processes with minimum tolerances these cassettes have been designed to be durable and resistant

Model Ratchet Hybrid Description MS 12sp Steel FH Body w/12x142/148/157mm End Cap

Separate and independent Open and Pedal pistons for optimum tunability

Vendor Box components Manufacture Number BX-SL1800118-SL Model Name Box One Stem Locks Category Stem parts risers adptrs

Aither is a multi-cell foam compound that forms the structure of the Armour Labeled Size 24 x 1

Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK Model=Boyd Sprocket Thanks to the use ofThe 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