Overview
The Losi Steel Rear Brake Rotor is an essential transmission tune-up component designed specifically for the Losi 1/4 scale Promoto-MX and Promoto-SM motorcycle RTR models. This replacement brake rotor is engineered to deliver consistent braking performance and reliability, making it an ideal upgrade or replacement part for RC enthusiasts who demand precision and durability from their RC motorcycle. Whether you're maintaining your existing Promoto-MX motorcycle or upgrading your braking system for improved performance, this steel rear brake rotor offers the quality and engineering you'd expect from Losi, a recognised leader in high-performance RC vehicles.
For riders across the UK who take their 1/4 scale RC motorcycles seriously, having quality replacement parts on hand is essential. The Losi Steel Rear Brake Rotor is manufactured to OEM specifications and provides the authentic performance characteristics your Promoto-MX or Promoto-SM requires. This is not an aftermarket compromise—it's the genuine component that ensures your motorcycle maintains factory-spec braking performance. Whether you're a seasoned RC competitor or a weekend enthusiast enjoying the unique thrills of 1/4 scale motorcycle racing, this brake rotor is a must-have spare.
RC Model Shop stocks this genuine Losi part to ensure UK-based riders have access to authentic components without delay. Understanding the importance of reliable braking in RC motorcycle performance, we've made this tune-up option readily available for all Promoto-MX and Promoto-SM owners who want to maintain or enhance their machines.
Key Features
- Steel Construction — The rear brake rotor is manufactured from steel, a material chosen specifically for its durability, heat resistance, and consistent braking performance across repeated use and varying riding conditions.
- OEM Losi Component — This is a genuine manufacturer part, ensuring perfect compatibility and performance matching with your Promoto-MX or Promoto-SM motorcycle without any fitment issues or compromises.
- Direct Replacement Design — The rotor is engineered as a direct replacement for the original component, making installation straightforward for riders who want to maintain their motorcycle's original specifications and performance envelope.
- Transmission Tune-Up Category — Classified as a transmission tune-up option, this component plays a critical role in your motorcycle's drivetrain and braking system, ensuring smooth power delivery and reliable stopping power.
- Universal Promoto Compatibility — Works with multiple Promoto-MX and Promoto-SM variants, including FXR and Club MX models, making it a versatile solution for riders with different Losi motorcycle platforms.
Technical Performance
The Losi Steel Rear Brake Rotor represents precision engineering in miniature RC component design. Manufactured from high-quality steel, this brake rotor is engineered to provide consistent friction characteristics and heat dissipation during intense riding sessions. The steel material choice ensures the rotor maintains its structural integrity and braking effectiveness even when subjected to repeated braking cycles, thermal stress, and the demanding conditions of competitive or recreational RC motorcycle riding. As a transmission-class tune-up component, the rear brake rotor works in concert with your Promoto-MX or Promoto-SM's complete drivetrain and braking system to deliver responsive, predictable stopping performance. The rotor's design allows for efficient cooling and prevents brake fade, which is critical when you're pushing your 1/4 scale motorcycle to its limits on the track or terrain. This genuine Losi component maintains the exact specifications and tolerances required for optimal performance, ensuring your motorcycle brakes with the precision and reliability that Losi's engineering standards demand. Whether you're performing routine maintenance, replacing a worn component, or upgrading your braking system, this steel rear brake rotor ensures your Promoto-MX or Promoto-SM performs at its absolute best.
What's in the Box
- Losi Steel Rear Brake Rotor (Z-LOS362010)
Frequently Asked Questions
- What Losi Promoto models does this rear brake rotor fit? — This steel rear brake rotor is compatible with multiple Losi 1/4 scale Promoto models, including the Promoto-MX Motorcycle RTR in FXR (Red) and Club MX (Blue) variants, as well as the Promoto-SM FXR Supermoto Motorcycle RTR. It's designed as a direct replacement component for these motorcycles.
- Is this a genuine Losi part or an aftermarket rotor? — This is a genuine original equipment manufacturer (OEM) Losi component, manufactured to the exact specifications of the original brake rotor found on Promoto-MX and Promoto-SM motorcycles. You can trust that it will fit perfectly and perform to Losi's engineering standards.
- Why would I need to replace my rear brake rotor? — Brake rotors can wear over time with regular use, or become damaged if subjected to impacts or extreme riding conditions. A replacement rotor ensures your motorcycle maintains reliable braking performance and safety. Having a spare on hand means you can quickly get back on the track or trail without waiting for parts.
- How difficult is it to install this brake rotor? — As a direct Losi replacement component, installation should be straightforward for riders familiar with basic RC maintenance. However, if you're unsure about the installation process, we recommend consulting your Promoto-MX or Promoto-SM instruction manual or contacting our expert team at RC Model Shop for guidance.
- Can I use this rotor on other RC motorcycles? — This rotor is specifically engineered for Losi Promoto-MX and Promoto-SM motorcycles. Using it on other RC motorcycle brands or models is not recommended, as it may not fit correctly or provide optimal performance. Always use manufacturer-specified components for your particular model.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Losi Steel Rear Brake Rotor: Promoto-MX/SM Z-LOS362010 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
