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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  chainrings
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Author Topic: chainrings  (Read 943 times)

0 Members and 2 Guests are viewing this topic.

motomagII

  • Guest
chainrings
« 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 ?

Nana

  • Guest
Re: chainrings
« Reply #1 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 :)

rom_kid_04

  • Guest
Re: chainrings
« Reply #2 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

motomagII

  • Guest
Re: chainrings
« Reply #3 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:

Nana

  • Guest
Re: chainrings
« Reply #4 on: February 16, 2006, 08:27 PM »
Greg if there is a shim in it and you took it out it should fit mate :-\

motomagII

  • Guest
Re: chainrings
« Reply #5 on: February 16, 2006, 08:52 PM »
well it doesnt ?

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