Technical & Reference Section > Tech and Restoration

Which BB?

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g_lamb:
Picked up a Torker Freestyling today and needs a BB but i don't know what size. I've seen a sealed BB and the seller says it's a 24tpi and not a 28tpi and i haven't a clue what that's all about  ???

Don't know what the pro's and con's are for sealed/unsealed TBH

Any help would be appreciated

Lamby

HEYWOOD BMX:
 Think 24TPI is the standard thread for a 1 pc crank.US is the size,sealed bearings are always best....

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