Shimano BB-UN300 Bottom Bracket 68x110mm Without Fixing Bolts fe-sport All-new shifting features create a

All-new shifting features create a smoother

having the right tires is often the critical difference between winning

The Shimano BT-DN300 Di2 Battery (12 Speed) features the same waterproof design Di2 users have loved for generations

We’re always looking for new ways to reduce our plastic and water usage along with our CO2 output

Colour Series - Black

Shimano BB-UN300 Bottom Bracket 68x110mm Without Fixing Bolts fe-sport All-new shifting features create aShimano Bb Un300 Bottom Bracket 68x110mm w o Fixing Bolts Specifications SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available: Standard, E type, chain case options Adapter material: Aluminum Mfr Claimed Weight TBC