EK/PBR 520MRD7 Chain Kit 13/49 - Ultra-Light Sprocket
Designed for demanding motocross riders, this EK CHAIN kit combines a 520MRD7 chain with a 13-tooth sprocket and a 49-tooth ultra-light aluminum sprocket. The gold finish on the chain and sprocket provides a sleek look on the fork and rim while facilitating visual inspection of wear. Ideal for motocross where strength and lightness make a difference on jumps and corner exits.
- Type: complete chain kit (chain + 13-tooth sprocket + 49-tooth sprocket)
- Pitch: 520
- Chain: model 520MRD7, 114 links
- Color: Gold / Gold
- Sprocket: ultra-light aluminum to reduce unsprung mass
- Weight: 1.47 kg (for 100 links)
- Relative lifespan: index 450 (for 100 links)
Recommended for motocross machines; application examples: YAMAHA YZ 450 F (models CJ18, CJ15, CJ10). Regular maintenance and tension adjustment are essential to preserve the longevity and performance of the kit.
