RK O-Ring Chain
SALE
RK's BB219KRO chain made a sensational debut in 1988 as “RK Blue”. BB219KRO has been the Champions’ choice in the highest categories around the world. The latest technology is used in every component in these chains.
The BB219KO chain is a sealed O-ring chain designed for higher performance classes such as KA3, KA2, TaG and X30, providing longer life.
Could come in Blue or Orange colour - However the chains are the same