Mountain Bike Chain Guide - 8 Hole Spring Gear Design, Aluminum Alloy Chain Stabilizer for Crankset Modification | Perfect for MTB Trail Riding & Downhill Biking

Feature:1. 8‑hole spring gear design, the spring is inserted into different holes to obtain different elastic forces.2. The spring adopts a 2mm/0.08in thick wire diameter, and the built‑in structure makes the appearance more beautiful.3. The shaft adopts 10mm/0.4in aluminum alloy shaft screws to prevent fracture and deformation.4. The spring hole position of the chain tensioner can be adjusted by removing the shaft center, and the elastic force of the chain tensioner can be adjusted.5. The length of the gear mounting screw is 17mm/0.7in, which more effectively solves the situation that the screw cannot be installed because the screw is too short and the gear is falling off because the screw is too short and too few threads.Specification:Conditon: 100% Brand NewItem Type: Bike Chain GuideMaterial: Aluminium AlloyColor: As Pictures ShownProcess: AnodizingSize: Approx. 105 x 45 x 30mm/4.1 x 1.8 x 1.2inApplication: Suitable for most models on the market Package List:1 x Bike Chain GuideNote:The marked price is the price of a single chain guide, the price does not include the guide wheel.