EK/JT 520MRD7 Chain Kit 13/52 - Ultra-Light Sprocket
Specifically designed for motocross use, this chain kit combines lightness and robustness to tackle demanding off-road sessions. The gold-treated chain and ultra-light aluminum sprocket reduce unsprung mass while maintaining good resistance to traction and abrasion — qualities sought after on the track as well as during intense enduro outings.
- Type: 520 Chain Kit (13-tooth sprocket / 52-tooth sprocket)
- Number of Links: 114
- Pitch: 520
- Color: Gold / Gold (chain and sprocket)
- Sprocket Material: Aluminum (ultra-light)
- Weight: 1.47 kg for 100 links
- Relative Lifespan Index: 450 (reference 100 links)
Designed to minimize friction without sacrificing mechanical integrity, this kit is aimed at owners of demanding motocross machines — particularly the Yamaha WR 250 F (CG16/CG22/CG24) — who are looking for a reliable and lightweight transmission. Ideal for replacing worn equipment before resuming training or competition, it facilitates tension adjustment and routine maintenance. Regular installation and lubrication are recommended to maximize longevity.