
EK/PBR 520M3 13/48 Chain Kit - Ultra-Light Sprocket by EK CHAIN. A transmission kit designed for Cross riding: ratio 13/48, chain pitch 520, and ultra-light aluminum sprocket to reduce unsprung mass while maintaining good performance against terrain demands.
Designed to minimize friction and resist abrasion encountered in competition, this chain kit is suited for off-road requirements without promising unverified performance. The gold finish adds an aesthetic touch and facilitates visual inspection during maintenance. The ultra-light aluminum sprocket reduces rotational mass, which is useful for improving rear wheel responsiveness during jumps and accelerations.
Common compatibilities: KTM 250 SX-F (2011–2012) and FACTORY editions. Ideal for Cross riders looking for a robust, lightweight kit that is easy to install during preparation or regular maintenance.