Promax Quick Release 31.8mm Seat Clamp

Promax Quick Release 31.8mm Seat Clamp

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, it’s 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 action for the life of the clamp without the need for a bushing

Laser-etched graphics 

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DelSol Project 24 Disc Hybrid

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