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Technical & Reference Section => Tech and Restoration => Topic started by: motomagII on February 16, 2006, 05:44 PM

Title: chainrings
Post by: motomagII on February 16, 2006, 05:44 PM

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 ?

Title: Re: chainrings
Post by: Nana on February 16, 2006, 07:51 PM

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 :)

Title: Re: chainrings
Post by: rom_kid_04 on February 16, 2006, 07:55 PM

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

Title: Re: chainrings
Post by: motomagII on February 16, 2006, 08:19 PM

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:

Title: Re: chainrings
Post by: Nana on February 16, 2006, 08:27 PM

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

Title: Re: chainrings
Post by: motomagII on February 16, 2006, 08:52 PM

well it doesnt ?