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Quantity
1
Description
Box Two™ Chain Tensioners let you dial in your chain tension, so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used correctly, Box Two™ Chain Tensioners help protect frame dropouts and keep your ...
Reviews
5.0
4 ratings
5
4
3
2
1
A+++
Luiz campos · August 12, 2025
Would buy again
They are light and effective
C
Cameron · March 26, 2023
Better than most
The Box tensioners have a step on inside (many brands don't) that slots inside the dropouts making them align better, and these have a really cool shape that flows with the rear triangle of your frame. Nice design Box!
