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Technical & Reference Section => Tech and Restoration => Topic started by: stuntmaster on April 08, 2010, 07:21 AM

Title: dmr cranks
Post by: stuntmaster on April 08, 2010, 07:21 AM
how do i get the bearing off to get chainwheel off as the arm you see does not have bolt ie like two peice cranks .
(http://www.radbmx.co.uk/archive/albums/v607/stuntmaster/dmrcranks.jpg) 
anyone had a set of these
Title: Re: dmr cranks
Post by: snav69 on April 08, 2010, 08:01 AM
Put it back in the frame and whack the spindle from the other side  :daumenhoch:

 :coolsmiley:
Title: Re: dmr cranks
Post by: MartyC on April 08, 2010, 02:50 PM
Put it back in the frame and whack the spindle from the other side  :daumenhoch:

 :coolsmiley:

WHS^^^ +1
Title: Re: dmr cranks
Post by: stuntmaster on April 08, 2010, 02:55 PM
can`t do that as don`t have a frame with that size bb . i can see what you mean tho .
Title: Re: dmr cranks
Post by: Dark Diggler on April 08, 2010, 04:36 PM
can`t do that as don`t have a frame with that size bb . i can see what you mean tho .

Rest the chain ring on a vice (covered with card) with the vice open enough for the crank arm only to fit through and whack the spindle end with a rubber mallet, the chainring and the bearings should come off together
Title: Re: dmr cranks
Post by: stuntmaster on April 08, 2010, 08:54 PM
right i got arm in vice and bloody bearing fell apart and left the inner bush of the bearing still stuck on , typical i have another go later after soaking bush in oil . wish i never bought the bloody things now
Title: Re: dmr cranks
Post by: kuwahero on April 08, 2010, 09:15 PM
try this it may be off help

http://www.dmrbikes.com/res/pdf/maintenance/DMR-Mk3CrankInstructions.pdf (http://www.dmrbikes.com/res/pdf/maintenance/DMR-Mk3CrankInstructions.pdf)


Title: Re: dmr cranks
Post by: stuntmaster on April 09, 2010, 06:14 PM
cheers for info but i think that was the reason i got them cheap ie bearing press stuck on i get them fixed but now just chuck them in garage for another day
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