SHIMANO Cartridge Bottom Bracket - 73MM / 122.5MM W/O BOLT (BB-UN26) Men's Chain whip features improved compatibility

Chain whip features improved compatibility with 7-speed to 12-speed mountain and road bike cassettes

Available in two versions: steel mesh for maximum durability and minimal weight

Ergonomically positioned pocket zipper for fast and easy access

and like any athlete they need the best footwear to help them perform at a high level

the Bow River offers exceptional design and performance at an affordable price

SHIMANO Cartridge Bottom Bracket - 73MM / 122.5MM W/O BOLT (BB-UN26) Men's Chain whip features improved compatibilitySHIMANO Cartridge Bottom Bracket MTB Standard Structure The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks. Smooth rotation Square type