RK chain (made in Japan), with RK front and rear sprockets combo. Standard front sprocket size, with customisable rear sprocket.
RK sealed O-Ring chain features heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings.
The O-rings are made from advanced Nitrate Butadiene composite for maximum performance and wear life.
- RK Chain 428SO, 136 links, heavy duty o-ring
- RK Front sprocket, OEM-Pitch, 17T for 428 chains
- RK Rear sprocket, OEM-Pitch, 51T, 52T or 54T for 428 chain
Stock rear sprocket size is 52T for MC22, and 54T for MC19.
It's exactly what it is, RK chain and sprockets
Posted by Jamie on 4th Dec 2019
Can't really go wrong with RK products. I did have to take out one link to fit but that's hardly an issue