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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  chainring/crank help!
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Author Topic: chainring/crank help!  (Read 782 times)

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djruffkut

  • Guest
chainring/crank help!
« on: November 16, 2009, 11:32 PM »
i need to run a profile chainring (which for some reason is 26mm?) on a hollowbite (22mm) where can i find an adapter? i've looked everywhere!!!!!!

HEYWOOD BMX

  • Guest
Re: chainring/crank help!
« Reply #1 on: November 16, 2009, 11:55 PM »
 Just measured my Profile Imperial and Vernier caliper says 22.2mm.Is your measurement accurate? Profile sprockets should just fit onto a Primo axle without a tophat washer.
 
« Last Edit: November 16, 2009, 11:59 PM by HEYWOOD BMX »

djruffkut

  • Guest
Re: chainring/crank help!
« Reply #2 on: November 17, 2009, 12:16 AM »
yeah the measurement is accurate, i think it had been bored out for another crank many years ago but i don't remember!

HEYWOOD BMX

  • Guest
Re: chainring/crank help!
« Reply #3 on: November 17, 2009, 04:08 PM »
 :) Sounds like it has been bored out.Biggest tophat I can find anywhere is 23.8mm.

djruffkut

  • Guest
Re: chainring/crank help!
« Reply #4 on: November 17, 2009, 06:26 PM »
think i'm gonna have to get one made or just fuk off the chainring all together! can you still buy profile imperial billet rings? thanks for your help :)

HEYWOOD BMX

  • Guest
Re: chainring/crank help!
« Reply #5 on: November 17, 2009, 09:16 PM »
 :) Not seen new Billet rings for yonks,E-gay or here are your best bets.Try this place,they might have a tophat that fits as they did a crank with a 25mm axle (Ultimate Hardware Sherman) a few years back.

 http://www.bmxcity.co.uk/

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  chainring/crank help!
 

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