Bike Single Speed Fixie Cassette Conversion Kit 12T/13T/14T/15T/16T /17T/18T/19T/20T/21T/22T for Fixed Gear/Fixie Bike (12T,Gold) - Sanmum, SA012024032001US02

• Premium and reliable: Bicycle chain tensioners and packs are made of high quality aluminium alloy and stainless steel, which is wear resistant, rust resistant, and durable. The light weight no longer weighs down your bike and the scientific design increases the contact area to protect the hub body. High performance: Ensures perfect tension on your chain so you can pedal with less effort, suitable for long outdoor rides. Kompatibel: 12T/13T/14T/15T/16T/17T/18T/19T/20T/21T/22T. Suitable for road bike, racing bike, mountain bike. Functional: Convert a multi-speed hub into a singlespeed bike. Compatible with all cassette hub bodies with 7 to 10 gears. (Compatible with 1/2 inch x 1/8 inch and 1/2 inch x 3/32 inch singlespeed chains) Note: It will not cover the hub in fixie and the hub is still a freewheel hub. Easy installation: This chain tensioner set mounts directly onto the derailleur hanger of a mountain bike and provides a simple, effective and adjustable way to tension a single-.