Promax QR-1 Seatpost Clamp - 31.8mm QR Red CheckoutTitle=SRAM Road Shifter Clamp Kit - 2009-2011 the Stick Drive’s minimalist design

the Stick Drive’s minimalist design is optimized for versatility and ease of use

Bolt Mount Diameter 10 Frame Mount Width 16

Shoe size 8 Color Black Core Yes

Maxima Plush damping fluid reduces friction and silences damper noise and Maxima Plush Dynamic Suspension Lube reduces friction lasts longer and enhances suspension performance

Promax QR-1 Seatpost Clamp - 31.8mm QR Red CheckoutTitle=SRAM Road Shifter Clamp Kit - 2009-2011 the Stick Drive’s minimalist designPromax QR 1 Quick Release Seatpost Clamp 31. 8mm Red. 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