Chain Tensioner Bicycle Motorcycle Chain Roller 8mm Slider Tensioner Wheel Guide for Bikes

Installation Tip: Position the tensioner so the jockey wheel aligns with the chain path; check that the chain runs straight through the guide before tightening the axle bolt8mm Inner DiameterOutside Diameter: 35mm / 1.38inchMain Material: RubberLength: 26mm / 1"Color: As picture shownPackage Includes:4/6 Pieces Chain Roller4/6 Pieces Screws4/6 Pieces Bolts8/12 Pieces GasketsNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.

• Keeps Chain Secure: Maintains consistent tension to prevent chain slap and derailment, so you ride smoothly without unexpected slips or drops
• Simple Tension Adjustment: Lets you fine-tune chain tightness with basic tools—no complex setup or specialized knowledge needed for a reliable drivetrain
• Minimalist Profile: Low-profile design sits close to the frame, preserving the clean lines of your bike while doing its job
• Mounts Instantly: Attaches directly to the axle or frame in minutes, getting you back on the trail without lengthy installation
• Reduces Drivetrain Noise: Maintains steady chain tension to minimize rattling and chain slap, keeping your ride quieter and more enjoyable