Bottom Bracket help!

Stick Legs

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Bottom bracket help please folks,

1992 Deore DX cranks,
68mm Bottom bracket shell width,
1998 Orange clockwork,

What length axle do I need?

Thanks.
 
I hate to contradict Sheldon but 122.5 sounds a tad long to me. Can you borrow a BB from someone to try first?
 
It's so hard to know - I usually have in 4 BB's of different lengths (old knackered ones that cost nothing to buy) and fit them as test rigs - then I know what to get and spend actual money on). You can usually get some old UN51's on Ebay for a few quid to act as the guinea pigs!
 
Good idea! I'll have a root around my LBS workshop when the tame guy is on and see what I come up with.

Having measured it 122.5 does seem a bit long as you say, they need about 120 as they will almost go on the 115 that holds my XTR M900 cranks.

Thanks guy's!
 
120 seems about right from memory. I had some 92 XT which went on what seems a massive axle by today's comaprisons. I am fairly sure it was a 120
 
Shameless plug for my LBS, Ralph Colman Cycles in Taunton, Open on a sunday and have the patience and time for picky retrobikers!

They also build a mean pair of wheels!
 
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