Renowned and reliable Shimano quality single speed freewheel, built to the tough standards that BMX riders demand - Hard-wearing chrome-moly steel sprocket - Chrome-plated finish
Compatible with RD-R7000-GS and RD-R8000-GS - High durability, same sprocket thickness as the 10-fold system - Wide "Rider Tuned" range with undisturbed rhythm with cadence control of 11 times.
2018aluminium lock ringnew HG-X chainmore efficient, quieter, maintenance with new surface treatmentmounting direction linked chain - ensures a further evolution of gear-changing performance
Shimano. Sprockets are cut away and drilled to reduce weight without reducing rigidity - Gear ratios to suit all wheel sizes 26/27.5/29inch - Close ratio gearing allows a more efficient use of energy through finer cadence control
Shimano. Fast and easy installation without adjustment - Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting - Super-accurate bearings for smooth operation and improved durability
Sram Cassettes. Heat-treated, high-grade tool steel provide superlative durability - Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight
Sram Cassettes. Heat-treated, high-grade tool steel provide superlative durability - Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight