GOOFIT Rear Brake Master Cylinder Assembly Kit for ATVs & Dirt Bikes

Upgrade your ATV, quad, dirt bike, or go-kart with the GOOFIT Rear Hydraulic Caliper Brake Master Cylinder Assembly. Designed as a direct replacement for 70cc, 110cc, 125cc, 140cc, and 200cc models from brands like SDG, SSR, Pister Pro, and Lifan, this kit includes everything you need for reliable rear braking performance.

Crafted from high-quality, durable materials, the assembly features a master cylinder, pre-installed brake caliper with fresh brake pads, a brake fluid reservoir, and a sturdy mounting plate. The precise 12mm mounting shaft and adjustable installation distance ensure a perfect fit, while the 10mm banjo bolt secures the system for long-lasting reliability. Backed by GOOFIT’s customer support, this replacement kit delivers strong, consistent braking power for off-road adventures you can trust.