Promax QR-1 Seatpost Clamp - 34.9mm QR Blue 35g Hubshell geometry refinement

Hubshell geometry refinement

Tooth Count 22 Ring Position/Type Inner Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 8 Drivetrain Speeds 9 Chainring BCD 64 Color Black Defined Color Black Material Aluminum

SRAM Rival 22 Brake CalipersDesigned to work with rims up to 29mm wide and tires up to 28mm wide

Designed to safely clean electronic groupset electronics components and wires

Promax QR-1 Seatpost Clamp - 34.9mm QR Blue 35g Hubshell geometry refinementPromax QR 1 Quick Release Seatpost Clamp 34. 9mm Blue. 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