RADBMX.CO.UK

Technical & Reference Section => Tech and Restoration => Topic started by: nasty nick on January 12, 2009, 09:06 AM

Title: crank help on a race bike
Post by: nasty nick on January 12, 2009, 09:06 AM

can i use mountain bike x type bottom bracket and crank arms instead of 3 piece cranks ?
please help  cheers nick

Title: Re: crank help on a race bike
Post by: pickle on January 12, 2009, 09:09 AM

i think you can if the BB on the frame is a euro type?  or if it's a US size then just get yourself a DMR wonder cup (someone is selling something simular in the for sale section)  :daumenhoch:

Title: Re: crank help on a race bike
Post by: nasty nick on January 12, 2009, 11:04 AM

yes its euro that great then thanks nick

Title: Re: crank help on a race bike
Post by: bof on January 12, 2009, 12:19 PM

http://www.radbmx.co.uk/forum/index.php'topic=78343.0

Gusset wondercups in this for sale section are what you need  :daumenhoch:

Title: Re: crank help on a race bike
Post by: pickle on January 12, 2009, 12:49 PM

not if his frame has Euro size BB as they will be the correct size already and have threads in them.

Title: Re: crank help on a race bike
Post by: bof on January 12, 2009, 06:04 PM

Quote from: pickle on January 12, 2009, 12:49 PM

not if his frame has Euro size BB as they will be the correct size already and have threads in them.

Very good point. :daumenhoch:

Title: Re: crank help on a race bike
Post by: Dark Diggler on January 12, 2009, 06:20 PM

And if its an alloy frame it will need Facing to get perfect bearing allignment

Regardez:

http://www.parktool.com/repair/printhowto.asp?id=95

Hope this helps