Cotter cranks (fwd)

Forwarded message:
> From Tue Oct 18 23:30:22 1994 Date: Tue, 18 Oct 94
> 21:29:19 -0600 From: (Greg Alt) Message-Id:
> <> To: unicycling Subject: Cotter cranks
> A couple weeks ago, one crank started to get loose. I tried tightening the
> cotter and ended up breaking it. I went to the local bike shop, bought a new
> cotter for $1.50, and they put it in using a weird gadget that squeezed it in.
> They also tightened the other one. Anyway, the moral of the story is that if
> your crank starts getting loose, take it to a bike shop, and they’ll probably
> tighten it for free, and you’ll save $1.50…

The trick I learned with cotters is to bang them in with a hammer as far as
they will go, then put the nut on tight enough to keep the pin from pulling
back out. Do not use the nut to pull the cotter in tighter, or it will come
loose again soon.


Beirne Konarski | Subscribe to the Unicycling Mailing List
| Send requests to “Untouched by Scandal” |
Unicycling Web Page: