Blue Line Right Brake Master Cylinder - No Mirror Mount

Restore responsive, dependable stopping power to your ATV, dirt bike, or motorcycle with the premium Blue Line Right-Hand Brake Master Cylinder Assembly . Engineered as a durable factory replacement, this complete master cylinder is built to endure harsh riding conditions, providing immediate hydraulic pressure to your front brake system. Key Features Bottom-Mount Brake Line Interface: Designed for clean brake line routing on compact handlebar setups, reducing the risk of snagging trail debris or bodywork. All-In-One Control Layout: Comes fully equipped with an integrated right-hand brake lever, a non-wired brake safety switch, and a matching banjo bolt for immediate setup. Universal Handlebar Mounting: Features a standard 22mm (7/8 inch) clamp diameter to fit securely onto almost any common small-to-mid displacement handlebar. No Mirror Mount Thread: This unit does not include an integrated mirror mounting thread — ideal for ATVs, dirt bikes, and motorcycles with body-mounted or stem-mounted mirrors. If your application requires a handlebar mirror, see our Right Master Cylinder with Mirror Mount instead. Vehicle & Application Fitment This right-side master cylinder fits any vehicle with a standard 22mm handlebar and a front hydraulic disc brake setup. Common applications include: Vehicle Type Common Applications Youth & Sport ATVs 70cc, 90cc, 110cc, 125cc entry-level and recreational four-wheelers with front hydraulic disc brakes. Dirt Bikes / Pit Bikes 50cc–125cc pit bikes and off-road dirt bikes with 22mm handlebars and hydraulic front brakes. On-Road Motorcycles Small-displacement motorcycles and mopeds with body-mounted or stem-mounted mirrors (no handlebar mirror thread required). GY6 Scooters & Go-Karts Chinese GY6-powered scooters, mini bikes, and go-karts utilizing a 22mm handlebar hydraulic brake setup. Custom / Recreational Builds Mini choppers, pocket bikes, electric bikes, and custom builds using standard 7/8" handlebar clamps. Technical Specifications Handlebar Clamp Diameter: 22mm (7/8 Inch) Brake Line Port: Bottom-Mount Orientation Mirror Mount Thread: None Manufacturer Part Number (MPN): UPJ 4870 Mounting Position: Right-Hand Handlebar SKU: 100-249 Mechanic's Installation Tip: After bolting the master cylinder down, fill the fluid reservoir and fully bleed your lines to clear out any trapped air bubbles that cause a spongy lever feel. Always use a lint-free cloth to shield plastic body fairings, as brake fluid will instantly blister and ruin plastic coatings. SKU: 100-249 | Vendor: Blue Line | Category: Brake Master Cylinders in Motor Vehicle Braking This product is not intended for use on public roads or land. California Prop 65 Warning: www.P65Warnings.ca.gov