Promax QR-1 Quick Release Seatpost Clamp - 34.9mm Black Cable Included-Yes Classically sprung for supreme comfort

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

Includes complete right side internals

Shimano BR-R451 Road Brake CalipersCompatible with STI and brake levers that are Super SLR enabled (e

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

Classic- lifetime comfort shapes to your body cool in hot weather

Promax QR-1 Quick Release Seatpost Clamp - 34.9mm Black Cable Included-Yes Classically sprung for supreme comfortPromax 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