Promax QR-1 Quick Release Seatpost Clamp - 34.9mm Black Cable Included-Yes 9 x 7" Keyed Black/Green

9 x 7" Keyed Black/Green Includes Cobra cable and bracket

Complete replacement hose kits are also available

Classically sprung for supreme comfort the B67 and B67 S feature single rails for attachment to modern micro-adjust seat pillars

Insert the extractor into the bearing tighten one side with an Allen key and the collet expands to grip the inside of the bearing

Shimano Claris HG50 cassettes ensure a durable and low maintenance system thats easy-to-operate with accurate and light-action shifting for Shimano 8-speed drivetrains

Promax QR-1 Quick Release Seatpost Clamp - 34.9mm Black Cable Included-Yes 9 x 7" Keyed Black/GreenPromax QR 1 Quick Release Seatpost Clamp 34. 9mm Black. QR 1 seatpost clamps are cold forged and CNC machined from 6061 T6 aluminum alloy. The QR 1 as the name implies has a quick release lever making seat height adjustments a snap. Weighing just 30 grams 1. 1 ounces in the 31. 8 size its as lightweight as it is tough. The head of the lever and the face of the clamp are given a proprietary low friction surface treatment that ensures smooth lever