Product Description: Durable Chain Tensioner for Mini Bikes Enhance your mini bike's performance and longevity with our high-quality Chain Tensioner, designed to ensure optimal chain tension and alignment. This essential component is perfect for maintaining smooth operation and preventing unnecessary wear and tear. Applicable Model: Specifically designed as a replacement for Baja Mini Bike MB165 and MB200, Baja Motorsports Doodle Bug, and Hensim Mini Bike MB165 and MB200. Confirm compatibility with your model before purchase to ensure a seamless fit. OE Number: The reference part number for this mini bike chain tensioner is 165‑063. Please verify this number against your original equipment to ensure proper compatibility and avoid incorrect purchases. Prevent Chain From Falling: This chain tensioner is engineered to maintain proper chain tension and alignment, preventing the chain from derailing during travel. It reduces excessive sprocket wear and protects the side cover and stator plate from potential damage. Long Lasting Material: Constructed from durable iron and ABS, this mini bike chain tensioner is built to withstand frequent use and various riding conditions. Its robust design ensures long-lasting reliability and minimizes the need for frequent replacements. Easy Adjustment: Featuring an easy-to-adjust mechanism, this chain tensioner allows riders to quickly and effortlessly fine-tune the chain tension to their preferred level. Enjoy smooth rides with minimal hassle. Upgrade your mini bike with our reliable Chain Tensioner, offering durable construction, easy adjustment, and effective chain management. Perfect for riders seeking to enhance their bike's performance and extend its lifespan.