Parts 8.3 Bottom bracket shimano

Bottom bracket with high quality sealed ring bearings for smooth rotation and durability! Compatible with Shimano bottom bracket axle diameter 24/24mm or Sram 22/24mm (thanks to an adapter). Shimano / Sram bottom bracket has ring bearings and waterproof. The bottom bracket offers a smooth rotation and a solidity to any proof. Compatible with Shimano 24/24mm or Sram 22/24 bottom bracket axles. Compatible with PF30 type frames with 46mm inner diameter and 73mm width.