Origin8 RD/CX/GX-2220 Elite II Straight Pull Campagnolo Rear QR End Cap & Axle Set Front/Rear Straight Pull QRx135mm QR AL6061 Blk RD/CX/GX-2220 Sealed Model-Z2 34 E-Bike+ Rail The Overdrive delivers super tough

The Overdrive delivers super tough reliability that is perfect for city riding and commuting

Nylon fiber OS adapters are designed for use in frames with worn-out oversized bottom bracket shells

Easier to install tubes as the liner sticks to the inside of the tire out of the way

Thanks to its full X-SYNC design the harder you pedal the better it shifts

Block tread front and rear specific modified trials tire

Origin8 RD/CX/GX-2220 Elite II Straight Pull Campagnolo Rear QR End Cap & Axle Set Front/Rear Straight Pull QRx135mm QR AL6061 Blk RD/CX/GX-2220 Sealed Model-Z2 34 E-Bike+ Rail The Overdrive delivers super toughRear end cap and axle sets for Origin8 Elite Series II RD CX GX 2220 disc hubs TECH SPECS Vendor Origin8 Manufacture Number Model Name RD CX GX 2220 Elite II Straight Pull Campagnolo Rear QR End Cap & Axle Set Category Hubs