Shimano SF-MX30 Freewheel - 17t Silver MFPN=1-MP-DSHKDR-V104 Coil-spring suspension stabilizes the trailer

Coil-spring suspension stabilizes the trailer and gear reducing structural stress and creating a smoother ride on rough terrain

Hollowtech hollow forged crank arms not only the bike's weight but decreases rotating mass to aid in acceleration

Use a wide-foot single speed cog

This chainring's tooth profile was developed specifically for Shimano's XTR XT and SLX 12-speed Hyperglide+ chain

Assortment of commonly used bicycle fasteners

Shimano SF-MX30 Freewheel - 17t Silver MFPN=1-MP-DSHKDR-V104 Coil-spring suspension stabilizes the trailerShimano SF MX30 Freewheels for service and repairs. 1 2" x 3 32" 9 Speed Chain compatible Cassette Body Type Threaded Standard 1. 37" x 24tpi Size 17T Color Silver