【Compatibility】 This sprocket fit for Coleman Powersports BT200X / CT200U / CT200U-EX / CT200U-EXR, Baja Motorsports Mini Bike MB165 & MB200 (Heat, Mini Baja, Warrior), Massimo MB200, and TrailMaster MB200.

【Size】This 420-40 tooth sprocket has mounting holes 3.15" (80 mm) apart in the center, a center hole diameter of 1.57" (40 mm), and an overall diameter of 6.49" (165 mm).

【Enhanced wear resistance】: The black spray molding process on the surface provides excellent protection for the sprocket against rust and corrosion. The sprockets remain in optimal condition even in harsh weather conditions or frequent outdoor use, ensuring long-lasting performance and durability.

【Replacement Part】The sprocket pitch and chain are well inlaid to avoid the chain from falling off during riding. Withstands severe weather conditions or frequent outdoor use. A great replacement for your old or broken parts.

【Package Included】
1 * 420-40 tooth sprocket,
4 * Screws,
4 * Nuts.
2 * 420 Chain Master Links.