Promax QR-1 Seatpost Clamp - 34.9mm QR Gold keyword search-low pressure Length 114 Color Red Flange

Length 114 Color Red Flange No Lock On No Weight 141 Grip Shift Specific No Defined Color Red Shape Round

(mm) 38 Material Steel Spring Weight 350

UCI approved

Primary Color White Wheel Diameter 12-1/2 Color White

Promax QR-1 Seatpost Clamp - 34.9mm QR Gold keyword search-low pressure Length 114 Color Red FlangePromax QR 1 Quick Release Seatpost Clamp 34. 9mm Gold. 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 action