EK/JT 520M3 Chain Kit 14/49 - Ultra-Light Sprocket by EK CHAIN: a set designed for motocross where weight, strength, and responsiveness make the difference. The gold/gold chain with a pitch of 520 minimizes friction while providing excellent resistance to abrasion and traction encountered in competition. The ultra-light aluminum sprocket reduces unsprung weight for a more agile machine behavior.
- Configuration: 14 tooth / 49 tooth
- Number of links: 114
- Pitch: 520 (type 520M3)
- Color: gold/gold
- Weight: 1.36 kg for 100 links (reference)
- Relative lifespan: index 450 for 100 links
- Sprocket material: ultra-light aluminum
Designed for the demanding conditions of off-road riding, this chain kit is suitable for riders looking for a lighter and more durable transmission. It easily installs as a standard replacement on motorcycles equipped with 520 and is particularly aimed at the motocross machines listed below.
- YAMAHA YZ 250 (1989 - 250 cc)
- YAMAHA YZ 250 (1988 - 250 cc)
- YAMAHA YZ 250 (1987 - 250 cc)
Manufacturer's ref: Not specified