This stainless steel driveshell is a OEM factory replacement part that comes standard on Chris King R45 Campagnolo-compatible hubs. (Note that Shimano compatible R45 drive shells are not available in stainless steel.)
This driveshell comes with brand new bearings, so you don't have to do any swapping of bearings from your old shell to this new one to complete your upgrade.
Installing your bicycle driveshell is easy. Other than two 5mm Allen wrenches (8mm for Heavy Duty axles), no other tools are needed.
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||Rear Chris King R45 Campagnolo-compatible hubs