Specifications: Condition:100% Brand New Color: Black Material: Aluminum Alloy Type: Mountain Bike Chain Tensioner Adjustable Length About 27mm Feature: Aluminum alloy material: High strength, sturdy and durable, with higher oxidation resistance and corrosion resistance, not easy to rust. Silent Guide Wheel: 11T metal guide wheel, wear-resistant and impact-resistant, provides more stable chain tension, preventing the chain from falling off and ensuring safer riding. High Spring Tension: With high spring tension, the spring is upgraded and the clamping system is improved to a sealed design to prevent contamination of the torsion spring. .
