Chain Tensioner Bicycle 8/10mm Drive Chain Roller Pulley Wheel Slider Tensioner Guide for Pit Dirt Street Bike Motorcycle 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 boltMaterial: Plastic+MetalColor: As pictureWeight: about 50gQuantity: 8 pc size option : 8mm/10mmNote:1.Instruction is not included, Easy To Install Directly2.Please check the size measurement chart carefully to ensure it's the right item you need before making payment.3.Please allow 0.5-1.0cm difference due to manual measurement.(1 cm=0.3937'').4.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.

• 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