Motion Pro Billet Sprocket Jammer... for Jamming Sprockets

The Motion Pro Sprocket Jammer is a simple, effective tool for holding a chain and sprocket in place during front or rear sprocket removal and installation. Its compact design locks the drivetrain to keep the sprocket from rotating, giving you better control and preventing damage to components. Ideal for routine maintenance, gearing changes, and shop or trail use.

Features:

• Locks chain and sprocket to prevent rotation during removal or installation
• Can be used to pull rear wheel against chain blocks when tightening rear axle
• Saves time and effort when performing sprocket or drivetrain service
• CNC billet aluminum construction
  
• Blue anodize and laser etching for easy identification
• Works on both front and rear sprockets
• Compatible with most 420–530 chain sizes
• Patented Design

Part Number: 08-0642