TRUE VALUE UNDERLIES THE JOY OF CREATING PRODUCTS
The RK brand, with more than fifty years experiences, continuous to be a top-seller globally. Our mission is to be a pioneer in creating "Quality Products" with safety, functionality and beauty.

VARIOUS PRODUCTS FOR VARIOUS USES
RK Chain is offering the ultimate ride whether on streets, off-roads or race tracks.

CONTINUOUS EFFORT FOR THE ULTIMATE PURPOSE
RK products have answered all needs from various motorcycle race & established high rep
utation by its excellent achievement.

MRU SERIES
The Premium Replacement for 420 Non-sealed Chain
lRK 420MRU is designed to be the Premium Replacement for OE 420 Non-sealed Chain, featuring 
RK`s only technology of Ultra Thin Seal, U Ring, make possible to design a Sealed Chain with the 
width of Non-Sealed Chain.  
lConverting Non-Sealed to a Sealed Chain result at least 4 times chain life and minimum chain adjustment after initial stretch, while ensuring high efficient horsepower transmission from the engine to the rear wheel throughout the chain life.
lRK 420MRU is an long lasting solution for daily business use vehicle, and also a dress up solution 
for 50-150cc vehicle such as Grom and Z125, as it comes in Plating Gold and Black Scale.
https://sites.google.com/a/rk-thailand.com/rkthailand00/products/drive-chain/sb-series

RK ALUMINUM SPROCKET