MINO REAR SPROCKET FUSION 2-RING, 23-423-520-49 BLACK STEEL/ALLOY
The Mino Fusion Series rear sprockets offer durability and light weight with a two-ring design. This rear sprocket features an inner ring made of high-strength Ultralight 7075 T6 Aluminium and an outer ring of nickel-coated steel. The outer ring is expanded at 200°C and fitted to the inner ring, creating a permanent fusion bond. This unique flat face design minimizes weight and keeps the sprocket as narrow as a standard sprocket. It is CAD designed, CNC machined, and laser cut using advanced technology. The precise manufacturing interlocks the rings, eliminating movement. The sprocket has a sector-optimized layout for maximum strength and minimum weight. The inner ring is color anodized for added strength and durability. This sprocket has been race-proven on tough off-road tracks. Part Number: SR808-49.AF.BK. Material: Steel and Alloy. Color: Black. Weight: 722 grams.
- SKU
- SR808-49.AF.BK
- Brand
- MINO
- Availability
- In Stock (8)
FULL DESCRIPTION
MINO Fusion 2-Ring Rear Sprocket
Experience the ultimate combination of lightweight design and exceptional durability with the MINO Fusion 2-Ring Rear Sprocket. This innovative sprocket is engineered for the most demanding off-road conditions, offering superior longevity and performance.
Key Features:
- Fusion Technology: Features an inner ring crafted from high-strength, ultralight 7075 T6 aluminum and an outer ring made of durable, nickel-coated steel. The two rings are permanently fused using a high-temperature friction bond for maximum integrity.
- Lightweight & Narrow Design: The unique flat face design minimizes weight, making the 2-Ring Fusion as narrow as a standard sprocket without compromising strength.
- Optimized Strength and Weight: CAD designed, CNC machined, and laser cut with state-of-the-art technology, ensuring precise interlocking of the rings and eliminating any movement for enhanced performance. The sector-optimized layout maximizes strength while minimizing weight.
- Enhanced Durability: The inner ring is color anodized for added strength and resistance to wear.
- Race Proven: Tested and proven on the most challenging sand tracks in the Netherlands and Belgium.
- Premium Materials: Combines the low weight of 7075 aluminum with the extended lifespan of specially hardened steel.


