Bicycle Mechanics - Crank missing puller threads

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AKTed

07-19-11, 11:22 AM

I was removing some no-name square taper cranks off of an old Giant road bike last night. The drive side came off fine, but then I could not get the puller to thread into the non-drive side crank arm. Upon closer inspection I realized there were no threads for a puller!

I have never seen that before. I was able to get the crank off with an old jaw type puller I have, but it wasn't pretty.

I'm just wondering if the missing puller threads is just a fluke, or if it is not that uncommon in cheap cranks?

bikeman715

07-19-11, 11:53 AM

someone before you must have destroy the threads .

Nick Bain

07-19-11, 02:06 PM

+1. some one hammered the campy or simplex cranks on an pugeout that I snatched, I just sold it for cheap.

MudPie

07-19-11, 05:32 PM

I assume it could be a manufacturing mistake - that crank missed the threading operation.

Can you see signs of threads?

AKTed

07-20-11, 12:35 PM

Mudpie, there are no threads. I agree, it must have been a manufacturing mistake.