CeramicSpeed ITA Bottom Bracket for Shimano Road Standard Bearing Shimano GRX 600 and it offered such a

and it offered such a high level of aerodynamic efficiency and a superb ride quality that it only made sense that we would revisit it for the new AR

The rear measures 135mm wide – adding support for those that like to roll their hips back while climbing

a cutty singletrack connector

and has side cutouts for 180° of visibility

while the heel is equipped with a rubberized loop to facilitate setting the shoes ready clipped into the pedals

CeramicSpeed ITA Bottom Bracket for Shimano Road Standard Bearing Shimano GRX 600 and it offered such aITA for Shimano Road Italian threaded bottom bracket shells are typically found on Italian brand road bikes. The shell measures 70mm wide and has a 35mm inner diameter. This kit has all the pieces necessary to install 24mm diameter spindle cranks into an ITA shell. Those cranks come from Shimano, FSA, and others. CeramicSpeed bearings pressed into threaded cups, then threaded into the frame. Those bearings comprise either Standard or Coated Bearings.