R1 works gold chain suited for powerful engines
420 pitch has 124 links
428 pitch has 120 links
If your not sure on your chain pitch measure the width of the sprocket 6mm = 420 pitch and 7.3mm = 428 pitch
Why has my chain now got tight spots?
- Most common issue is the chain has been run tight “over adjusted” and it’s pull bent the pins out of shape making the side plates tight.
- Lack of lubrication
- Using a new chain on worn sprockets