55mm chainline - 178mm Q-factor - compatible with 148mm (Boost) frames only

Frame mount included

Touch Screen compatible

The universal head is compatible with Presta and Schrader valves

Loop the Quick Release strap through the TowWhee loop

absoluteBLACK ISCG05-BSA Oval Chain Guide - ISCG 05 - 26-34T - Black PDP|Colour 55mm chainline - 178mm Q-factorAbsoluteblack revolutionary Oval Guide chainguide is here. This is the only chainguide on the market that is designed specifically for Oval chainrings, keeping your chain secure at every single crank position. Oval Guide has unique adjustable chainline from 48 53mm making it compatible with every single bike setup. Weighs virtually nothing at only 17. 5g. While Absoluteblack's oval chainrings with their narrow wide teeth profiles don't require any