MINO REAR SPROCKET FUSION 2-RING, 23-724-520-50 STEEL/ALLOY ORANGE
The Mino Fusion 2-Ring rear sprocket features a unique flat face design for minimal weight and narrow profile. The inner ring is constructed from high-strength Ultralight 7075 T6 Aluminium, while the outer ring is Nickel coated steel. This durable off-road sprocket combines low weight with maximum lifespan, thanks to the permanent fusion friction bond created by heating the outer ring to 200C before fitting it to the inner ring. The sprocket is CAD designed, CNC machined, and laser cut using state-of-the-art technology for precise manufacturing that eliminates all movement between the rings. The inner ring is color anodized for extra strength and durability. This sprocket has been race proven on tough sand tracks. Part Number: SR990-50.AF.OR. Weight: 766g.
- SKU
- SR990-50.AF.OR
- Brand
- MINO
- Availability
- In Stock (5)
FULL DESCRIPTION
Mino Fusion 2-Ring Rear Sprocket - Steel/Alloy - Orange
The Mino Fusion Series rear sprockets are engineered for the best of both worlds, offering lightweight performance with exceptional durability. This off-road sprocket is designed for the longest lifespan possible.
Featuring a unique flat face design, the 2-RING FUSION keeps weight to a minimum while maintaining a narrow profile, comparable to a regular sprocket. The construction utilizes a high-strength Ultralight 7075 T6 Aluminium inner ring and a durable Nickel Coated steel outer ring. The outer ring is heated to 200°C and expanded before being fitted to the inner ring, creating a permanent friction bond that ensures longevity.
Key Features:
- Hybrid Construction: Combines a 7075 aluminium inner ring with a special hardened steel outer ring for a balance of low weight and maximum lifespan.
- Advanced Manufacturing: CAD designed, CNC machined, and laser cut using state-of-the-art technology for precision and accuracy.
- Interlocking Design: The precise manufacturing process interlocks both rings, eliminating any movement for enhanced performance.
- Optimized Layout: Sector optimized for maximum strength and the lowest possible weight.
- Anodized Finish: The inner ring features a color anodized coating for extra strength and durability.
- Race Proven: Tested and proven on demanding sand tracks in the Netherlands and Belgium, ensuring reliability in extreme conditions.


