Brake Caliper Overview:
Introducing the Losi® Promoto-SM and MX Assembled V2 Front Brake Caliper, a high-quality replacement caliper intended for use on the Losi Promoto-SM FXR Supermoto RTR 1/4 Brushless Motorcycle. Alternatively, this brake caliper also serves as a direct upgrade for the Losi Promoto-MX RTR 1/4 Brushless Dirt Bike, enhancing braking performance and durability.
About the Front Brake Caliper
Durable Construction
This caliper is injection-molded from high-quality plastic, providing strength and reliability while keeping weight to a minimum. It features a 3D-printed metal brake piston, which delivers improved braking power and a more responsive feel for superior control. Additionally, the pre-assembled design includes factory-equipped bearings and brake pads, providing everything you need for a quick and simple installation process. Whether you’re tackling sharp turns on asphalt or rough off-road terrain, this versatile and durable brake caliper is engineered to maintain peak performance.
Features:
- Injection-molded plastic caliper for lightweight durability
- 3D-printed metal brake piston for enhanced braking power and control
- Pre-assembled design for quick and easy installation
- Improved braking response for better handling and stopping precision
- Reliable and durable construction for long-lasting performance
Includes:
- (1) Assembled V2 Front Brake Caliper
- (1) Brake Actuator Arm
- (1) Brake Actuator Return Spring
- (1) 2.5x10mm Screw
This product was added to our catalog on April 1, 2025
- Losi Promoto SM
- Losi Promoto-MX





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