Mount to lowrider rack to maintain a low center of gravity and undiminished off-road agility

make sure your specific trainer will accommodate the width of the thru-axle equipped bike that you are using

D stands for highest drive efficiency

- Fits many Shimano / Japanese rear hubs with 135mm spacing - Type: Hollow Axle - Threads: 10mm x 1 - Diameter: 10mm - Length: 146mm - 1 axle per bag

Shimano DEORE RD-M6000 10-Speed Rear Derailleur Medium Black Sunshine_Enriched Mount to lowrider rack toThe Shimano Deore M6000 Series rear derailleur offers efficient and smooth shifting in order to maintain speed and acceleration in change of terrain. Capable drivetrain for riding aggressively through trails. Optimized gear combination and gear ratio for trail riding by front and rear system Wide range cassette compatible Silent and stable during aggressive riding Improved stability and chain retention for long time Improved ShadowRD+ construction