EK/PBR 520M3 13/51 Chain Kit - ultra-light sprocket by EK CHAIN: a kit designed for motocross riders looking for a complete transmission ready to install. This kit includes a 520 pitch chain, a 13-tooth sprocket, and a 51-tooth ultra-light aluminum sprocket, finished in gold for the chain and seals. Designed for off-road and competition use, it is aimed at machines that demand high acceleration and gear changes.
- Brand: EK CHAIN
- Category: Chain Kit (Cross)
- Pitch: 520 (520M3)
- Configuration: 13/51 (sprocket/sprocket) - 114 links
- Color: Gold / Gold
- Sprocket Material: Aluminum (ultra-light sprocket)
- Weight: 1.36 kg / 100 links (manufacturer reference)
- Life Index: 450 (relative value for 100 links, provided by the manufacturer)
The aluminum sprocket will reduce unsprung mass, beneficial for off-road performance and the agility of the rear wheel, while the complete kit makes it easier to restore the transmission. Compatible notably with Kawasaki KX125 (2006-2008) according to application reports: check the number of links and the 13/51 ratio before installation. Manufacturer reference: Not disclosed.
