Technical & Reference Section > Tech and Restoration

A chain in the Ar$€

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curtispro:
Now I've built up a fair few bikes over the years and maintained them but my last one is doing my head in,  I just built up a mid school rider for the missus and tonight me and the boys went for a cruise around the village, I got about 50mtrs and the chain came off after I gave it some juice, pushed it back home ( much to the amusement of my 3 sons) and re adjusted the rear wheel, tightened it all up and off we went, now every time I give it some it clangs and bangs and feels like the chain is going to come off, it's a BNIB 18 tooth sugino freewheel, NOS chain wheel, NOS chain with a re furbished SR opc, it's all in line but it's this is happening,  :wtf: is going on, chain fits the sprocket ok so I think it's the right pitch, any ideas ? do you think chain tugs would help as it must be the wheel moving on the right hand side!!

pickle:
Sounds like the chainwheel and rear freeware are not in line properly, had it myself.....the moment you give it big licks it comes off the rear cog. You'll need to move your chainwheel in or out with spacers.

curtispro:
Do you put the spacers on the spider then? I've not come across this before with a opc, can't adjust the rear wheel alignment unless I change the locking nuts on the spindle that sit inside the dropouts!!

waza04:
seems strange with the opc set up..... look from the front from ground level to see if everything is in line! take it the wheel nuts are ft?  :daumenhoch:

rollin72:
would a 16th freewheel not be better?

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