The EK/PBR 520M3 13/51 chain kit is a set designed for motocross practices, intended to equip demanding off-road motorcycles. It includes a 520 chain and a pair of sprockets with a ratio of 13/51 (13-tooth front sprocket / 51-tooth rear sprocket) in a "standard sprocket" configuration, suitable for classic motocross setups.
- Brand: EK CHAIN
- Type: 520M3 Chain Kit (Cross)
- Color: Gold / Gold
- Number of links: 116
- Pitch: 520
- Sprocket: Steel (standard)
- Weight: 1.36 kg / 100 links
- Relative lifespan: 450 (index for 100 links)
- Manufacturer reference: Not provided
Designed to minimize friction and provide resistance to abrasion and traction stresses typical of off-road riding, this chain is aimed at riders seeking reliability and longevity on muddy, rocky, or sandy terrains. Ideal for the compatible machines listed (e.g., TM RACING MX 250 FI 2019/2020, TM RACING MX 250 F 2013), it mounts as a standard replacement and helps restore a safe and precise rolling train. Remember to check the tension and lubricate regularly to optimize the lifespan of the kit.
