MINO REAR SPROCKET FUSION 2-RING, 23-850-50 STEEL/ALLOY BLACK
MINO REAR SPROCKET FUSION 2-RING, 23-850-50. This is an off-road sprocket made with a Steel and Alloy construction in black. The unique flat face design minimizes weight and keeps the sprocket narrow. The inner ring is made from high strength Ultralight 7075 T6 Aluminium, while the outer ring is Nickel Coated steel. The outer ring is heated and fitted to the inner ring, creating a permanent fusion bond. Features include a combination of low weight and maximum lifespan due to the 7075 aluminum inner ring and hardened steel outer ring. It is CAD designed, CNC machined, and laser cut using state-of-the-art technology for precise manufacturing that interlocks both rings and eliminates movement. The sector optimized layout ensures maximum strength and lowest weight. The inner ring is color anodized coated for extra strength and durability. This sprocket has been race proven on tough sand tracks. Part Number: SR245-50.AF.BK. Weight: 756 grams.
- SKU
- SR245-50.AF.BK
- Brand
- MINO
- Availability
- In Stock (4)
FULL DESCRIPTION
MINO FUSION 2-RING Rear Sprocket - Steel/Alloy Black
Experience unmatched durability and performance with the MINO FUSION 2-RING Rear Sprocket. Engineered for the toughest off-road conditions, this sprocket combines advanced materials and cutting-edge manufacturing for exceptional longevity and reduced weight.
Key Features:
- Dual Material Construction: Features a high-strength Ultralight 7075 T6 Aluminium inner ring fused with a nickel-coated steel outer ring for optimal performance and lifespan.
- Permanent Fusion Bond: The outer steel ring is expanded at 200°C and fitted to the inner aluminium ring, creating a permanent friction bond that ensures lifelong integrity.
- Lightweight and Narrow Design: The unique flat face design minimizes weight and maintains a narrow profile, comparable to standard sprockets.
- Precision Engineering: CAD designed, CNC machined, and laser cut using state-of-the-art technology for precise interlocking of rings and elimination of movement.
- Optimized Layout: Sector-optimized for maximum strength while maintaining the lowest possible weight.
- Durable Finish: The inner aluminium ring is color anodized for enhanced strength and durability.
- Race Proven: Tested and proven on the most demanding sand tracks in the Netherlands and Belgium.
This rear sprocket is designed to provide the longest lasting and most durable performance for your motorcycle.


