Description: Single speed converter chain tensioner, great for mountain terrain bicycle. Floating pulley and spring adjust for perfect chain tension. Made of high grade aluminum alloy material, durable in use. It is a perfect replacement for your old or damage one. Light weight and easy to install. Specification: Material: aluminium alloy Color: red, black, silver, 2pcs black Size: about 20x7mm Packge Included (optional): 1. 1pc x bicycle tensioner 2. 2pcs xbicycle tensioners Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.

Replacement It is a perfect replacement for your old or damage one.?. Great Material ?ade of high grade aluminum alloy material, durable in use. Easy to install?Light weight and easy to install. Practical?It is a perfect replacement for your old or damage one. Application?Single speed converter chain tensioner, great for mountain terrain bicycle.

Date First Available: August 4, 2020. Best Sellers Rank: #199,211 in Sports & Outdoors. Customer Reviews: 3.5 out of 5 stars 53 ratings 3.5 out of 5 stars. : B08F7FYD9G. Batteries Required?: ?No. Batteries Included?: ?No. Material: ?Aluminium alloy. Color: ?2pcs Black. Item model number: ?15965105374036. Product Dimensions: ?12.6 x 3.94 x 3.15 inches. Item Weight: ?0.352 ounces. Part Number: ?15965105374036. Manufacturer: ?Tookie.