
EK CHAIN 520MRD7 13/48 Chain Kit - Ultra-Light Sprocket
Designed for motocross riders seeking lightweight and durability, this EK chain kit combines a treated 520 MRD7 chain and an ultra-light aluminum rear sprocket. Suitable for the demanding environments of competition, it provides reliable transmission while minimizing unsprung mass for better traction and acceleration performance.
Easy to install and suitable for trails and motocross bikes — ideal for reassembling a transmission after maintenance or for preparing a lighter rolling chassis. Check the 520 pitch and the number of links before installation. Compatible model examples: GAS GAS EC 300 F (2014, 2015).