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RFX Pro Armalite Rear Sprocket (Blue) - Yamaha (YZ, YZF)

  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear
  • Bike Position: Rear

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  • 50 Tooth Sprocket
  • Aerospace grade Aluminium Inner
  • High Carbon Steel Outer
  • Lightweight yet strong
  • Anodised finish

Availability: Out of stock


Product Description


RFX Armalite Rear Sprocket in Blue

RFX's Armalite Pro series rear sprocket range provides you with the perfect balance between low weight and high durability. Sporting super lightweight yet incredibly strong aerospace grade 7075 anodised aluminium for the inner ring and super durable high carbon steel for the outer ring where the vast majority of your wear will occur. This combination of materials offers superb lifespan to weight ratio unparalleled by fully aluminium or high tensile steel sprockets. Anodised to suit your machines colour scheme, the Pro Series Armalite range offers a clear performance advantage alongside a great visual improvement from most OEM Equipment.

Key Features:

  • 50 Tooth Sprocket
  • Lightweight yet super strong
  • Used by top British and World Championship teams
  • Super high strength aerospace grade 7075 aluminium inner
  • High Carbon Steel outer

Why Buy From Us?

At MPW we strive to provide the best quality goods and excellent service to our customers. As avid bikers ourselves, we understand the desire to maintain and upgrade your bike with products you can trust. We source our products from some of the industry's most recognisable brands as well as manufacturing our own range of cost-effective replacement parts. Choose us today and we'll be with you for the long haul!

Additional Information

Additional Information

Manufacturers Part Number FXRS 31-50 ALBU
Brand RFX
Material Aluminium
Colour Black Blue
Intended Use Performance Part


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Shipping, Returns & Warranties


We offer FREE Delivery to the UK on orders over £50, with any orders placed before 2:00pm being dispatched the same day (excluding weekends and bank holidays) via either Royal Mail or DPD. Larger items being dispatched by courier to Northern Ireland and the Scottish Highlands may incur a surcharge based on additional charges from DPD.

Delivery times vary depending on shipping method used, with Royal mail taking between 1-3 working days and DPD usually next working day.

We offer very competitive rate for most European and non European countries, please refer to the shipping calculator at checkout for prices to your area and for more information on shipping options available please go to the Shipping Information Page.


If your order arrives and it’s not right, we will fix it.

Please call 01273 020950 or email and we’ll help you from then on.

If your item doesn’t fit, is no longer needed or you’re just not happy with it? You can return any new, unused and unmodified item within 30 days of delivery of your item.

We will issue a full refund to your original payment method. We offer free returns on all orders over £50 (Mainland UK only, excluding Scottish Highlands)


Several manufacturers offer an additional warranty period which covers against product defects. To determine warranty requirements for a specific item, please contact the manufacturer or contact us for assistance.

  • Please note warranty processing may take 4-8 weeks and will be subject to the individual manufacturer's policies and discretion. Manufacturer warranties do not cover defects determined to be caused by normal wear or due to customer negligence.

    Thank you for reading and enjoy your new purchase! If you have any questions or just want to say hi please don’t hesitate to get in touch
    - The Motorcycle Parts Warehouse Team