Promax QR-1 Seatpost Clamp - 34.9mm QR Black MFPN=11.6818.018.010 Defined Color Gray Direct Mount

Defined Color Gray Direct Mount Type Direct Mount SRAM Drivetrain Speeds 12 Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Round Tooth Count 42

Length 300 Color Black Compressed Gas Inflator No Includes Mount Bracket Yes Includes Gauge Yes Weight 194 Defined Color Black Hose Length 610 Valve Compatibility Presta and Schrader PSI 160

Simple design aligns the routing parallel to the handlebar for a clean look

Side mount bracket included

Promax QR-1 Seatpost Clamp - 34.9mm QR Black MFPN=11.6818.018.010 Defined Color Gray Direct MountPromax 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