Shimano BB-RS500 Bottom Bracket Press-Fit Tiagra Shorts and flexible

and flexible

good packability

The EX 511 rim is the perfect tool for this quest: It comes with all the technology that has delivered many EWS wins and packs it in a 30 mm wide profile

and a drawcord hem

Shimano BB-RS500 Bottom Bracket Press-Fit Tiagra Shorts and flexibleThe Press Fit BB RS500 PB bottom bracket is recommended by Shimano for the GRX, Tiagra, Sora and Claris series. This allows a Hollowtech II or 2 piece crank with a 24 mm axle to be mounted in a road frame with an 86. 5 mm bottom bracket width and a 41 mm shell diameter. The bottom bracket is made from a synthetic material and has black bearing cups.