Elevate the performance and durability of your ATV, dirt bike, or mini bike with the AlveyTech Heavy Duty Rear Axle Chain Tensioner Adjusting Assembly. Engineered with a focus on strength and reliability, this assembly features a sturdy construction that withstands the demands of off-road adventures. The heavy-duty tension adjuster utilizes a beefier, burlier, larger-diameter shank, offering robust support and precise adjustment to maintain optimal chain tension, promoting stability and safety during rides. With its ability to retain the rear axle bolt securely, this assembly prevents loosening or displacement, ensuring consistent performance across various terrains. Compatible with ATVs, dirt bikes, and mini bikes from renowned brands like Baja Motorsports and Coolster, this tensioner assembly offers versatility and compatibility with a wide range of models. Additionally, the included nuts facilitate easy installation, streamlining the process and allowing you to enhance your vehicle's performance with minimal effort. Upgrade your ride with the AlveyTech heavy-duty rear axle chain tensioner adjusting assembly and experience improved durability and reliability on every adventure. Specifications: Length: 95 mm (3-3/4") Shaft diameter: 8 mm Axle hole: 15 mm (5/8") Thread: M8 125 Compatibility: Baja Motorsports Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior) Coleman CT200U Trail Coolster ATV-3050A Coolster ATV-3050AX Coolster ATV-3050D Coolster ATV-3125C Coolster ATV-3125R Coolster ATV-3125X8 Coolster ATV-3125XR8 Coolster ATV-3250B Coolster QG-210A Coolster QG-214FA Hensim Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior).