INSIGHT chain tensioners are designed for wheels with 10mm axles and for classic frame dropouts. They prevent derailment during your acceleration during BMX races. The 2 fixing holes and the tension adjustment by screw allow you a precise adjustment of the tension of the chain.
FEATURES :
• Forged aluminum 6061-T6
• Axle: 10mm
• 2 fixing holes
• Adjustment by a single screw with lock nut
• Weight: 56g
• Sold in pairs
COMPATIBILITY:
• All classic frames with open rear dropouts