EK/PBR 520M3 14/51 Chain Kit - Ultra-Light Sprocket by EK CHAIN: a kit specially designed for motocross and demanding terrains. This setup combines a 520M3 chain with 116 links, a 14-tooth sprocket, and a 51 ultra-light aluminum sprocket, engineered to reduce unsprung mass without sacrificing the mechanical strength essential for competition.
- Usage: Cross / motocross, muddy or abrasive tracks and terrains.
- Chain Type: 520M3, 116 links, Gold/Gold finish.
- Sprocket: Ultra-light aluminum, 51 teeth ratio (reduction of rotating weight).
- Pinion: 14 teeth (included in the kit).
- Durability: relative lifespan 450 (reference 100 links).
- Weight: 1.36 kg for 100 links (manufacturer's reference).
Designed to minimize friction while providing good resistance to traction and abrasion, this combination is suitable for riders looking to optimize the responsiveness and agility of their machine. Common compatibilities: YAMAHA YZ 450 F (models 2005-2006) — check the number of links and the pitch before installation.
