BOX three Chain tensioners

BOX Three chain tensioners are designed for wheels with 10mm axles and for classic frame dropouts. They prevent derailment during your acceleration during BMX races. The tension adjustment by screw allow you an even more precise adjustment of the chain tension thanks to the control marks.

FEATURES :
• Forged aluminum 6061-T6
• Axle: 10mm
• 1 fixing hole
• 20mm of adjustment
• Adjustment by a single screw with lock nut
• Weight: NC
• Sold in pairs

COMPATIBILITY:
• All classic frames with open rear dropouts