Cannondale Si Road Crank Spider 120/90 BCD Adventure Gearing - K22118 Shifter Service Parts - BBM97 BSA bottom bracket

- BBM97 BSA bottom bracket

- Round chainrings for no

Manufacturer Part Number: ACB 4545 1125 BO

Gold Alloy Zipper

- Effective and safe for all metals (except magnesium)

Cannondale Si Road Crank Spider 120/90 BCD Adventure Gearing - K22118 Shifter Service Parts - BBM97 BSA bottom bracketOriginal Cannondale Si and Hollowgram road crank spider with 120 90mm BCD for that low low gearing. Starting in model year 2018, Cannondale began using this new BCD for compact and sub compact cranksets on road and cyclocross bikes. Use with chainrings with 120 90 BCD from FSA. Go as small as a 30t inner ring and 46t on the outer ring with this spider. Kit includes one black anodized spider. Lockring (KP021) and lockring tool (KT012 X) sold