CAMPAGNOLO EKAR PRO-TECH BB386 86.5x46mm STURMEY ARCHER 11-speed wide range cassette

11-speed wide range cassette

E-Bike compatible 7/8 speed chain with Diamond Hard Coating which reduces wear and increases surface hardness

Countersunk rivets and mount points

Forged AL6061-T6 alloy spiders for Origin8 Thruster Series modular cranksets

Cups have internal bearings

CAMPAGNOLO EKAR PRO-TECH BB386 86.5x46mm STURMEY ARCHER 11-speed wide range cassetteNew 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