The EK/JT 520MRD7 14/50 chain kit is designed for demanding motocross riders: a 520 MRD7 chain paired with a 14-tooth sprocket and an ultra-light 50-tooth aluminum rear sprocket. Engineered to minimize friction while providing high resistance to traction and abrasion, this kit is suitable for transmissions subjected to the severe conditions of competitive terrains.
- Brand: EK CHAIN
- Manufacturer Reference: Not provided
- Composition: 520 MRD7 chain + 14-tooth sprocket / 50 aluminum sprocket (ultra-light)
- Number of Links: 114
- Pitch: 520
- Color: gold finish (chain & sprocket)
- Weight: 1.47 kg for 100 links
- Relative Lifespan: 450 (index for 100 links)
Ideal for strong traction in off-road conditions, this kit is suitable for motocross machines requiring a reliable and lightweight transmission. Compatible with models such as the YAMAHA YZ 250 (1998 - 250 cc), it easily integrates into a competition-oriented drivetrain. Be sure to check the installation and recommended tension for your machine before the first ride.
