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Upgrade rear wheel service with the RFX Pro Series Blue Rear Axle Blocks for Yamaha. Designed to help speed up wheel changes while improving axle alignment, these axle blocks provide a secure, precise fit for riders and technicians who demand dependable workshop performance. The RFX Pro Series design supports easier installation and more controlled adjustment during maintenance.
The integrated axle holder secures one side of the axle, allowing the axle nut to be tightened with a single wrench. This practical design can simplify wheel changes and reduce the need for additional tools or assistance. Tighter manufacturing tolerances help improve fit, while the CAD-developed profile keeps the component lightweight without compromising functional strength.
Manufactured from CNC-machined 7075 aerospace aluminum, the RFX Pro Series axle blocks deliver a durable foundation for repeated use. A laser-etched RFX logo adds a clean branded finish, and the blue anodized surface provides a factory-inspired appearance with added surface protection. Part Number FXAB 40100 99BU is designed for Yamaha applications and is an excellent choice for riders seeking improved serviceability, alignment, and professional-quality finishing details.
RFX is recognized for producing performance-focused motorcycle components engineered for practical use and reliable fitment. Add these blue rear axle blocks to your Yamaha setup for a cleaner installation and more efficient wheel maintenance.
Features:
- Axle holder secures one side of the axle so the axle nut can be tightened with a single wrench
- CNC-machined 7075 aerospace aluminum construction for strength and durability
- CAD-designed profile helps reduce unnecessary weight
- Tighter tolerances support improved fit and axle alignment
- Blue anodized finish provides a factory-inspired appearance and added surface protection
- Laser-etched RFX logo for a clean, identifiable finish

