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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Euro bb
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Author Topic: Euro bb  (Read 1559 times)

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Offline HUTCHMAN

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Euro bb
« on: July 12, 2020, 01:03 PM »
Hi all... i've got a late model GT Ultrabox with an ISIS  drive euro bb, bought a BLANK euro 22mm bb in order to replace the crankset, but this will not thread in for love nor money. Any one got any thoughts ?
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Online Midschoolfool

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Re: Euro bb
« Reply #1 on: July 12, 2020, 03:39 PM »
Are you putting the correct sides into the correct sides of the frame? one is reverse threaded and they are specific like pedals, L&R.
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Offline HUTCHMAN

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Re: Euro bb
« Reply #2 on: July 12, 2020, 07:15 PM »
I am .. very aware of the grooved  cup/race being for the rhs. god knows, just wondering if there's different threads.. have seen "english " thread advertised, but think i've seen spanish also.. could be wrong .
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Online Midschoolfool

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Re: Euro bb
« Reply #3 on: July 12, 2020, 08:26 PM »
Spanish is not threaded. English is the same as Euro, IIRC.

Spanish was a smaller mid, but mid seemed to win out (even though it's bigger and thus the bearings are heavier).
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griff

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Re: Euro bb
« Reply #4 on: July 13, 2020, 02:11 PM »
It means nothing to me


(sorry Dave)
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