Technical & Reference Section > Tech and Restoration

chainrings

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motomagII:
are chainring centres all the same size i ask thias as i got profile ring today and waas trying to put together and it doesnt seem like the centre hole is big enough for where i thought the ring fitted to the 3 pierce cranks axle ?

Nana:
Think there is two diffrent sizes greg for new school 22mm and dont know tha other :-\ better to small than to big for a change  ;D drill it out if you have large drill or send it back :)

rom_kid_04:
there is 22mm and 19 mm, looks like you have a 19mm sprocket and a 22mm axle .... grind out the centre or get a diff chainring

motomagII:
bit of grinding /filing action required it is then .didnt know there was different sized ones thought if i took the washer out it would fit but still not close damn new school stuff . :2gunsfiring_v1:

Nana:
Greg if there is a shim in it and you took it out it should fit mate :-\

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