Promax QR-1 Seatpost Clamp - 34.9mm QR Black CheckoutSpec= Resin Brake Pads Available in Addix Speedgrip

Available in Addix Speedgrip

Primarily for the use on the rear wheel

Super Boost 157 x 12mm rear hub spacing allows for shorter chainstays (431­–432 mm) more tire clearance more chainring options and stiffer wheels

5" Tire Intended Use Mountain Tire Type Tubeless Ready Clincher keyword search Quantity Break

6 Stack Height 42 Stem Angle (deg) +25 Stem Angle (deg) -25 Weight 136

Promax QR-1 Seatpost Clamp - 34.9mm QR Black CheckoutSpec= Resin Brake Pads Available in Addix SpeedgripPromax 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