Promax QR-1 Seatpost Clamp - 34.9mm QR Gold keyword search-low pressure The improved lateral rigidity reduces

The improved lateral rigidity reduces vibrations and noise during braking and also has improved heat resistance and increased stability

Spoke Interface J-Bend Defined Color Black Color Black Flange Diameter Right 45 Flange Diameter Left 58 Weight 165 Hub Drilling 32 Bearing Type Sealed Cartridge Front Axle 15mm Thru x 110mm Hub/Brake Compatibility 6-Bolt Disc Center to Flange Right 42 Center to Flange Left 27

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

for Schrader valve

(mm) 38 Material Steel Spring Weight 350

Promax QR-1 Seatpost Clamp - 34.9mm QR Gold keyword search-low pressure The improved lateral rigidity reducesPromax 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