EK/JT 520SRX2 Chain Kit 13/50 - Ultra-Light Sprocket by EK CHAIN: a set designed for motocross riders who want a drivetrain ready to withstand off-road use without frills. This kit combines a robust 520 chain with an ultra-light aluminum rear sprocket, reducing weight for improved responsiveness and agility.
- Type: 520 chain kit (pitch 520) – sprocket/sprocket 13/50
- Number of links: 116
- Color/finish: Steel / Steel
- Sprocket material: Aluminum (ultra-light)
- Weight: 1.54 kg / 100 links (reference)
- Durability index (for 100 links): 3300 (relative value provided)
- Brand: EK CHAIN — Manufacturer reference: Not provided
Designed for motocross use, this kit is particularly suited for demanding off-road models where weight and drivetrain reliability matter. The aluminum sprocket reduces unsprung inertia for sharper acceleration, while the 520 chain remains a common choice for its compatibility and robustness. Ideal for users of GAS GAS EC 250 F (2012–2015) and derivatives.
Compatible motorcycles (examples):
- GAS GAS EC 250 F (2015)
- GAS GAS EC 250 F REPLICA CAMI (2014)
- GAS GAS EC 250 F SIX DAYS (2012)
