Technical & Reference Section > Tech and Restoration

mongoose question

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slimjim:
i've got 1pc mongoose stamped crank
and on the non-chain wheelside i cant seem to find a nut to fit.
is it summit to do with the crank being a different tpi type thing or size?

help

thanks

kdw712:
think you'll find mongoose are 28tpi
regular bot brkts are 24tpi

you'll need a mongoose BB set for that crank

slimjim:
thanks!
i've got mongoose bb set, its missing the outer hexagonal nut
so it keeps undoing
ill put a shout out

selfpreservation:
you willl probably need to buy a new bb these arent that hard to find about £20 on the bay , vertigo, alans ect

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