MOTION PRO Sprocket Jammer

MOTION PRO Sprocket Jammer

• Placed between chain and sprocket where it prevents the wheel, chain and sprockets from rotation. 
• A great help for any job where the wheel may not rotate. 
• Can also be used to pull the wheel to the rear against the chain tensioners before tightening the rear wheel axle. 
• Lightweight CNC machined billet aluminum construction for use in the field or at home/shop.