RK 525 XSO Reinforced Chain 124 Links

RK XSO O´ring Reinforced Chain

RK XSO chain is a professional product of the Japanese brand RK.

• RK Chains uses their RX-Ring on the 520 XMO chain, which has two pockets for lubricant as opposed to the traditional o-ring that can only offer a single pocket.
• Multiple pockets for lubricant make the chain more resistant to contaminants to penetrate the chains seal, making it more durable and longer lasting.
• The RK-Rings are made out of Nitride Butadiene composite to maximize performance and extend the wear life.
• RK O-Ring chains included rivet clip.
• The Quick Release Clip is not included with the chain.