30mm ID x 42mm OD Silicone Seal, seals on 30mm spindle and on the outer race of 42mm OD bearings.

Replacment set for certain Enduro and RWC outboard bottom brackets, BB30 press in bottom brackets, and certain Enduro and RWC Bearing Upgrade Kits. For use with 30mm crank spindles. The outer lip of this seal fits directly to the bearing, making it something of a universal fit.

Sold in pairs