Chain kit EK - Crni chain 520 SRX, X-ring (X, NX, QX, XS), CHK front sprocket SUPERSPROX, CHK rear sprocket SUPERSPROX STEALTH for HONDA CB 300 R 2019-2023

This chain kit offers great value for many street, adventure, and off-road motorcycles. It provides 1.5–2x longer lifespan than conventional O-ring chains while maintaining a highly affordable price.

Chain EK SRX

High-Performance QX-Ring Chains
QX-Ring provides 1.5-2x longer chain life. SRX2 series chains include lightening holes and a high level of craftsmanship.

SRX series excels in the balance of performance and cost-effectiveness, earning the favor of many users. While being a long-standing product, but it is incorporated improvements match with the times and the latest technology.

Quadra X-ring (QX-Ring) is a slim profile chain with 40% less friction than a normal O-Ring chain and 150% better endurance. Used for a variety of SRX2, 420SRX and 428ZVX series chains.

Supersprox Front Sprocket

Supersprox countershaft sprockets are factory-team spec parts (used in WSBK, MXGP, and Rally) made from ultra-durable, carbon-impregnated SCM-435 (18HGT) steel for maximum strength. They feature a lightened design with radial holes or slots, an ultra-hard surface layer to reduce chain friction, a black oxide coating to prevent corrosion, and self-cleaning grooved teeth on off-road models to extend chain and sprocket life.

Supersprox Stealth Rear Sprocket

Supersprox Stealth Bi-Metal Rear Sprockets feature a patented combination of steel teeth and an aluminum core. This design delivers 3× the lifespan of aluminum sprockets while being up to 30% lighter than all-steel alternatives. By reducing friction, they extend chain kit longevity, enhance bike performance and appearance, and are available in various colors to fit 99% of street and off-road motorcycles.

PDF EK CATALOG