CYSKY Chain Guide Mountain Bike MTB Chain Guide Direct Mount Chainring Guard Perfect for Most Bicycle Road Bike Mountain Bike BMX Fixie Alloy Aluminum Black

Specification: Mounting Standards: Fit bike with 1x drivetrain systems Material: Alloy 6061-T6,Plastic top guides Weight: approx 52g Process: CNC machined Color: Black ACCESSORIES: Fixing bolts and spacers Feature: 1. Seat tube clamp chain guide, prevents the chain from dropping off the upper side 2. Seatpost diameter 35mm (With ø31.8mm to ø35mm shim) 3. Compatible: fit bike with 1x drivetrain systems 4. Material: Alloy 6061-T6,Plastic top guides 5. Extremely easy to install and adjust using a single 4mm Hex tool, without removing your cranks Package Includes: 1 * Chain Guide 4 * Spacers ADD The Chain Guide to Your Cart, Enjoy The Rides ADD The Chain Guide to Your Cart, Enjoy The Rides