Dished aluminium alloy rear sprockets for 428 chain are now available for the TY250 twinshock. There are a few sizes available. I bought a couple of standard size (53T) from PBI sprockets and they arrived today. Here is one beside an original TY250 sprocket.
There have been dished sprockets for 520 chain available for a while but some people prefer using 428 chain.
Need help finding information or parts for that old machine in your shed? Someone in here will know!
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