CeramicSpeed ITA Bottom Bracket for SRAM GXP Road Black Standard Bearing Shimano Tiagra Trek developed their own bb

Trek developed their own bb standard to optimize their frame designs

50% Less Drag than round bottles

Low 50 Lumens – 18 hrs

spare tube

CeramicSpeed ITA Bottom Bracket for SRAM GXP Road Black Standard Bearing Shimano Tiagra Trek developed their own bbItalian bottom bracket shells are typically only found on Italian bikes these days; they measure 70mm wide and have a 35mm inner diameter. This package has the parts to install your 24 22mm spindle crank into an ITA bb shell. They consist of bearings pressed into threaded cups, which are then threaded into the frame. Those bearings comprise either CeramicSpeed Standard or Coated Bearings. Super round, super smooth CeramicSpeed balls rotate in hardened