MINO REAR SPROCKET FUSION 2-RING, 23-423-520-49 BLUE STEEL/ALLOY
Mino Fusion Series 2-Ring rear sprocket. Lightweight and durable steel and alloy construction. Features an inner ring of 7075 T6 aluminum and an outer ring of nickel-coated steel. The outer ring is heated and fitted to the inner ring, creating a permanent fusion bond. CAD designed, CNC machined, and laser cut for precision. Inner ring is color anodized for extra strength and durability. Part number SR808-49.AF.BE.
- SKU
- SR808-49.AF.BE
- Brand
- MINO
- Availability
- In Stock (5)
FULL DESCRIPTION
Mino Fusion 2-Ring Rear Sprocket
Experience the ultimate in durability and lightweight performance with the Mino Fusion 2-Ring Rear Sprocket. This innovative sprocket is engineered for the demanding world of off-road riding, offering an exceptional lifespan and reduced weight.
The unique two-ring design combines the strength of a hardened steel outer ring with the lightness of a 7075 T6 aluminum inner ring. This fusion creates a robust yet surprisingly narrow profile, comparable to standard sprockets, while significantly enhancing longevity.
Key Features:
- Hybrid Construction: Features a high-strength, Ultralight 7075 T6 aluminum inner ring and a nickel-coated steel outer ring for a perfect balance of low weight and maximum lifespan.
- Permanent Fusion Bond: The outer steel ring is heated to 200°C and precisely fitted to the inner aluminum ring, creating a permanent friction bond that ensures the rings remain interlocked for the life of the sprocket.
- Optimized Design: CAD designed, CNC machined, and laser cut using state-of-the-art technology for precise manufacturing and a sector-optimized layout that maximizes strength and minimizes weight.
- Durable Finish: The inner ring is color anodized for added strength and durability.
- Race Proven: Developed and tested on some of the toughest sand tracks in the Netherlands and Belgium, proving its performance under extreme conditions.
- Flat Face Design: Contributes to a lightweight profile and maintains a narrow overall width.


