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What Do You Use?


Ben John-Hynes

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again shimano un52, what i have always used, echo made a square taper bb dont know if they still do? but anyway erm it had anodised red sheels and was pretty cool, lasted me about 3 bikes over a period of about 2 years and i then sold it on!

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Shimano LX is UN52 and has solid axle with plastic cups.

Shimano XT is UN72 and has a hollow axle with aluminium cups.

Currently using a UN52 with UN72 cups, although I might go find a 72 to save a fair amount of weight :)

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Shimano LX is UN52 and has solid axle with plastic cups.

Shimano XT is UN72 and has a hollow axle with aluminium cups.

Currently using a UN52 with UN72 cups, although I might go find a 72 to save a fair amount of weight :)

Shimano have stopped making the UN52/53/72 and now they just make a UN54 which is supposed to be the best of both worlds (it's the price of the UN53 but has a hollow axle like the UN72). You can still get UN53s from some places (E.g. CRC), not sure about the UN72.

Anyway, just get the UN54.

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Shimano have stopped making the UN52/53/72 and now they just make a UN54 which is supposed to be the best of both worlds (it's the price of the UN53 but has a hollow axle like the UN72). You can still get UN53s from some places (E.g. CRC), not sure about the UN72.

Anyway, just get the UN54.

Thanks for the headsup, its been years since I bought a BB :D

My lbs will probably have a stock of old BBs I can raid, if not a 54 it is :)

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