BSA Bottom Bracket for Shimano RoadBSA is another way of stating English threading; it comes from British Standard Cycle. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse threading on the drive side. Its the most common threaded standard employed today. This kit works with 24mm diameter thru axle cranks, found on Shimano, FSA, Rotor, among others. Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened steel

Pad Material: Organic

GX Transmission Flattop chain

Wide 11-50t gear range-a perfect fit for any ride

4" max tire size

Chainring BCD: 130

Colnago’s engineers focused on achieving the best possible stiffness for sprinting on the V4Rs

attempting to walk the line between a secure fit and easy mounting

tired of spending AGES cleaning your chain when all you want to do is get on the saddle and ride

Southpaw remotes offer a secure grip and control that’s second to none

Reliable rearview radar lets you ride like you know what’s coming

Close Ratio

it employs a women’s specific last and new Power Zone lace guides that reduce weight and increase pedaling stability