Wolf Tooth Gnarwolf Seat Tube Mount Chainguide - High Seat Tube Mount - 32-52T - Black - 34.9mm Clamp YGroup_7033396494381 Material: Primarily alloy construction with

Material: Primarily alloy construction with some steel hardware

Hollowtech II

why not make it feel as smooth as it could possibly be

Truvativ GXP®

DaBomb's triple threat in chain retention is here

Wolf Tooth Gnarwolf Seat Tube Mount Chainguide - High Seat Tube Mount - 32-52T - Black - 34.9mm Clamp YGroup_7033396494381 Material: Primarily alloy construction withEven with all the fancy derailleurs and chainrings, dropped chains can still happen. The Gnarwolf Seat Tube Mount Chainguide from Wolf Tooth will keep your chain secured. Features and Notes: Patent pending infinite chain line adjustment between 45mm and 51mm via an elliptical expanding mandrel. There are no shims required! Infinite vertical adjustment between 34t and 46t for round and oval chainrings. Loosen one screw to flip the guide out of the way