Specifications: Condition:100% Brand New Color: Black Material: Aluminum Alloy Size: 110.5mm x 61.5mm / 4.35" x 2.42" Type: Bike Single Speed Chain Tensioner Suitable for Belt-driven Bicycles, Not Fit for Chain-driven Bicycles Feature: Manufacturing Material: Made of high-quality aluminum alloy material, it is strong and durable, which undoubtedly extends its service life. Simple Operation: It can convert any multi speed bicycle to single speed, easy to operate and easy to use. Spring Loaded Design: Spring loaded design, it has wide applicability, and suitable for a variety of gear sizes. .
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