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High-quality materials: the chain tensioner for single speed bicycles is made of a high-quality aluminium alloy, which is known for its durability and robustness. This guarantees reliable and sustainable functionality. Optimal chain guide: thanks to the MTB chain guide, the chain always remains optimally tensioned on a single speed or fixed gear bike. This ensures safe running and the prevention of chain drops. Excellent compatibility: the bicycle chain guard is designed to work with different speed controls without any problems. This allows you to easily adjust the speed of your bike according to your wishes. Easy installation: the mounting of the chain tensioner to your bicycle frame can be done quickly and easily. Essential bicycle accessories: As a multifunctional component, the rear chain guide not only provides a reliable solution for chain tightening, but also significantly contributes to improving the performance and stability of your single speed bike. › See more product details; Product description Specification: Condition: 100% Brand New Item Type:Bicycle Chain Tensioner Material: aluminium alloy. Colour: as shown in the picture. Size: approx. 90 x 50 mm / 3.5 x 1.97 inches. Package list: 1 x bicycle chain tensioner.; Product description Specification: Condition: 100% Brand New Item Type:Bicycle Chain Tensioner Material: aluminium alloy. Colour: as shown in the picture. Size: approx. 90 x 50 mm / 3.5 x 1.97 inches. Package list: 1 x bicycle chain tensioner.; Specification: Condition: 100% Brand New Item Type:Bicycle Chain Tensioner Material: aluminium alloy. Colour: as shown in the picture. Size: approx. 90 x 50 mm / 3.5 x 1.97 inches. Package list: 1 x bicycle chain tensioner.