CAMPAGNOLO EKAR PRO-TECH CUPS ITL 70mm ATLAS DELUXE/TRANSIT/SD Most aerodynamic chainring ever created

Most aerodynamic chainring ever created that fits directly on the crank arm

Machined aluminum cups thread together directly into a T47 BB shell

Sealed premium bearings are both serviceable and replaceable

Compatible with Cannondale Hollowgram Si

CAMPAGNOLO EKAR PRO-TECH CUPS ITL 70mm ATLAS DELUXE/TRANSIT/SD Most aerodynamic chainring ever createdNew patented external ring seal paired with an internal sleeve seal protects bearings from water and contaminants Provides extremely efficient and smooth function as well as long lasting reliability Mates with the external stainless steel bearings which are attached to the crank arms as an integral unit rather than the BB cups for greater size and easier maintenance access Available in multiple threaded and pressfit options Bearings sold separately