DaBomb RL-4 Single Speed Chain Tensioner Needs Images Battery type: Lithium-ion battery

Battery type: Lithium-ion battery

Interlok®: Interlok® spacer compatible

Slow flashing with normal beam: 8hrs

Out Front Mount or Out Front Mount Pro)

DaBomb RL-4 Single Speed Chain Tensioner Needs Images Battery type: Lithium-ion batteryThe RL 4 Chain tensioner from DaBomb is a simple and reliable fixed chain tensioner for single speed conversions on bike frames designed for cassette and derailleur systems, often referred to as vertical dropout frames. If your bike has a standard 135mm rear end with a Quick Release (QR) skewer type rear axle and you want to convert it to single speed, then the RL 4 from DaBomb gives you a super simple and inexpensive chain tensioner that will prevent