Motion Pro Sprocket Jammer Tool
The Motion Pro Sprocket Jammer Tool 08-0642 is a professional-grade drivetrain maintenance tool designed to securely lock motorcycle chains and sprockets during countershaft sprocket removal, installation, and rear axle adjustment.
Trusted by motocross mechanics and off-road riders worldwide, the Motion Pro Sprocket Jammer prevents chain and sprocket rotation, making it far easier to loosen or tighten stubborn countershaft sprocket nuts without risking damage to drivetrain components. Ideal for motocross, enduro, ATV, and off-road motorcycle maintenance, this compact tool is an essential addition to any workshop or race toolbox.
Manufactured from premium CNC-machined billet aluminium, the Sprocket Jammer delivers excellent strength while remaining lightweight and compact for easy storage and transport. The durable blue anodised finish with laser-etched Motion Pro branding provides corrosion resistance and quick tool identification in busy workshop environments.
The innovative design slots securely between the chain and rear sprocket, locking drivetrain movement while allowing safe removal or installation of the countershaft sprocket nut. It can also be used to pull the rear wheel against the chain blocks during rear axle tightening for accurate chain adjustment.
Key Features:
- Prevents chain and sprocket rotation during maintenance
- Ideal for countershaft sprocket removal and installation
- Helps simplify rear axle and chain adjustment
- CNC-machined billet aluminium construction
- Lightweight compact workshop design
- Durable blue anodised corrosion-resistant finish
- Laser-etched Motion Pro branding
- Suitable for motocross, enduro, ATV, and off-road motorcycles
- Designed for use with 50-series chains
- Genuine Motion Pro professional-quality tool
The Motion Pro Sprocket Jammer is widely used by professional race teams and mechanics thanks to its simple design, workshop durability, and ability to safely secure drivetrain components without using improvised methods that can damage chains or sprockets.
Whether you're replacing sprockets, servicing drivetrain components, or adjusting chain tension in the workshop, the Motion Pro Sprocket Jammer Tool 08-0642 delivers fast, safe, and professional results every time.
Shop the Motion Pro Sprocket Jammer Tool 08-0642 today from MD Racing Products, the UK motocross specialists for premium workshop tools, motocross parts, and off-road accessories.
















