The EK/PBR 520MRD7 13/51 chain kit is a set designed for motocross riders seeking lightweight performance and durability in demanding terrain. Comprising a 520 chain and an ultra-light aluminum sprocket, it aims to reduce unsprung mass while maintaining a construction suited to off-road conditions.
- Brand: EK CHAIN
- Designation: EK/PBR 520MRD7 13/51 chain kit - ultra-light sprocket
- Pinion/Sprocket configuration: 13/51
- Pitch: 520
- Number of links: 116
- Color: Gold / Gold
- Sprocket material: Aluminum (ultra-light)
- Relative lifespan (100 links): 450
- Stated weight: 1.47 kg for 100 links
Designed to handle jumps, landings, and mud, the EK chain minimizes friction while providing good tensile strength and abrasion resistance. The ultra-light aluminum sprocket helps reduce unsprung mass for a more responsive rear wheel behavior, without compromising compatibility with 520 transmissions. Ideal for motocross bikes, it easily adapts during routine maintenance or transmission replacement.
Compatibility (examples):
- HM CRE-F 500 X (2014 - 500 cm3)
- HM CRE-F 500 X (2013 - 500 cm3)
- HM CRE-F 500 X (2012 - 500 cm3)
