Feedback Sports Omnium Over-Drive Rear Wheel Trainer - Fork Mount Progressive Resistance Red CheckoutTitle=CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS - Alloy Pulley They can be easily installed

They can be easily installed to look as if the fork and fender are one leaving your competitors wondering why they are still messing around with zip ties

Perfect for expert skiers

Required Coil Spring sold separately Stroke (mm) 60 Lockout Switch None Metric Yes Eyelet Diameter (mm) 12

Flangeless grip with Soft single Krayton rubber

Feedback Sports Omnium Over-Drive Rear Wheel Trainer - Fork Mount Progressive Resistance Red CheckoutTitle=CeramicSpeed OSPW Pulley Wheel System for Shimano 9100/9150 and 8000 SS/8050 SS - Alloy Pulley They can be easily installedThe Omnium Over Drive Rear Wheel Trainer keeps the rear wheel on the bike and offers a dynamic ride quality with progressive restance. Plus the precision rollers and internal progressive resistance design is so quiet youll never disrupt the neighbors. When youre finished the elegant folding design hides it in its padded travel bag like it was never there.