RFX Pro Rear Wheel spacersRef : RFX00580A / 1123313001

RFX Pro Rear Wheel Spacers — manufacturer reference FXWS 50700 99BU. These RFX Pro rear spacers are machined from 7075-T6 aluminum and anodized in blue: lightweight and corrosion-resistant for your trail/cross hub. Designed to withstand the rigors of off-road use, they reduce overall weight and protect the bearing surfaces from abrasion and dirt infiltration, which helps limit bearing wear without promising unverified improvements.

• Material: anodized 7075-T6 aluminum (blue)
• Usage: rear wheel spacer, compatible with motocross/enduro bikes
• Design: rear lip to keep it secured to the seals and facilitate maintenance operations
• Origin: RFX product, used by several Grand Prix and British Motocross teams

Simple installation for those familiar with wheel handling: use a stand, remove the axle, clean the bearing surfaces, and replace the spacers before reassembling the chain and adjusting the axle blocks. Follow the manufacturer's torque specifications and check chain tension after installation.

Ideal for recent motocross models such as HUSQVARNA FE 501 (2025), KTM 500 EXC-F SIX DAYS (2025), or GAS GAS EC 500 F (2025), these spacers provide a polished finish to the hub and facilitate maintenance in the paddock as well as in the workshop.