Technical & Reference Section > Tech and Restoration

crank trouble still

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eloopnai:
posted on here ages ago about the crank not beeing even in the bottom bracket on my supergoose 3

ive now got 2 other cranks and the same happens





on my other goose a 81 the middle section of the crank is shorter which is what i need for this one i presume ?
but i thought there was only one size crank for bmx bikes ? just the arm length differed ?
ive got some redline 3 piece cranks on there way soon will these fit i hope so the money they cost  :LolLolLolLol:
ive put a spacer washer in but its still not enough is there somin wrong with my bike ?

im totally confused hope someone could help me please  :D

Rombloke:
unfortunatley one piece cranks are 'set'

so what you need to do is maybe put an extra washer between the chain ring/spider and the drive side bearing race, thus pulling the cranks 'through' the bb by the thickness of the washer.

make sense?

Dave

eloopnai:
cheers will try that  :daumenhoch:

eloopnai:
ok with some washers in its levalled it up now ive fooking forgot what way round the bearings sit balls into the cups or away from the cups  :LolLolLolLol:

jackel:
balls into cups learnt this the hard way back in the day :)

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