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Chain tensioners Box two
Discover Box Two chain tensioners from Box, designed to prevent derailments during your BMX races.
Sold and shipped by Sport & Go
The BOX Two chain tensioners are designed for wheels with 10mm axle and for classic frame dropouts. They prevent derailment during acceleration in BMX races. The 2 mounting holes and screw tension adjustment allow you to adjust the chain tension even more precisely with the control markings. CHARACTERISTICS :
