Use this text to share information about your brand with your customers.
Describe a product, share announcements, or welcome customers to your store.
🛠️ Optimize the braking of your Promoto-MX or Promoto-SM RC motorcycle withthe Pro-Spec Aluminum Brake Caliper 1/4. Made from hard-anodized 6061 aluminum, it comes pre-assembled with high-grade steel pads and a progressive cam mechanism for powerful, smooth, and durable braking.
⚙️ Technical specifications
- Material: hard-anodized 6061 aluminum for maximum strength
- Pads: high-grade steel for powerful and consistent braking
- Mechanism: progressive cam with ball bearings for smooth action
- Braking power: exceptional, without fading
- Installation: pre-assembled, quick and direct mounting
- Use: front/single brake for RC 1/4 motorcycles Losi Promoto
- Product reference: PRO640800
🧩 Package contents
- 1x Pre-assembled Pro-Spec Aluminum Brake Caliper
- High-grade steel brake pads performance included
🎯 Who is it for?
Perfect for Promoto-MX/SM RC motorcycle riders looking to improve braking power and precision. Ideal for On-road as well as extreme jumps, it ensures immediate response and maximum durability.
🔄 Compatibility
- Losi Promoto-MX 1/4
- Losi Promoto-SM 1/4
- Direct replacement for the original caliper, no modifications required

Appreciate the quality and performance of Losi remote-controlled cars! Whether it's for conventional RC racing or driving on rough terrain, these vehicles are perfect for thrill-seeking drivers. The Losi brand offers modeling parts to assemble yourself, maintenance materials, power supplies, as well as complete cars ready for racing: Micro Rally, Buggy, Short Course, Stadium Truck, Monster Truck, ...