RK is simply THE motorcycle chain manufacturer No. 1 – since 1953!
The name "RK" comes from the initial of the word "Rollenkette" in German.
The fact that the German language was used shows respect for the high technology of the Germans in the 1950s and the vision of RK to maintain the highest technology through endless research and development.
Thanks to relentless research and development, RK has been able to reach the technological top level worldwide.
For more than 40 years, RK has supplied all major Japanese motorcycle manufacturers as original equipment. In international motorsport, RK is also the first choice of numerous teams in MotoGP, in the Motocross World Championship, in Enduro, or at the Paris-Dakar Rally.

This chain kit fits the following models:

APRILIA SX 125 2018-2021
APRILIA SX 125 2021-9999
KL KXE 125 Motard 2022-9999
MALAGUTI XSM 125 2019-2021
MALAGUTI XSM 125 2023-9999
MONDIAL SMX 125 Motard 2018-2020
MONDIAL SMX 125 Motard 2021-9999