SRAM DUB Threaded Bottom Bracket - 83mm English Thread, Cannondale Ai (Black) POC The stem length starts from

The stem length starts from 80mm and goes up to 140mm

Light and Robust Alloy Construction

With a 52 mm chainline

Will not harm carbon fiber

SRAM DUB Threaded Bottom Bracket - 83mm English Thread, Cannondale Ai (Black) POC The stem length starts fromThe suitable bottom bracket for the new SRAM DUB SuperBOOST+ crank generation for mountain bike frames with 83 mm BSA bottom bracket shell and Cannondale Ai standard. The DUB bearings have an improved seal to ensure that the crank runs silky smooth for even longer. In addition, the DUB BSA version is significantly lighter than the previous version for GXP cranks. Specifications Area of application: MTB Bearing shell material: Aluminum Bearing