DaBomb RL-4 Single Speed Chain Tensioner YGroup_7033445646381 Cons: It isn't the lightest

Cons: It isn't the lightest derailleur but for the price does it matter

Last/Width type: Feature Shimano's volume tour last which provides extra volume at the ball of the foot for better comfort

Cranks - If you have a straight 24mm spindle on your cranks choose the Shimano option

Wheel size: 27

Four-piston callipers

DaBomb RL-4 Single Speed Chain Tensioner YGroup_7033445646381 Cons: It isn't the lightestThe 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