You can get these at Bike Tools Etc. (http://www.biketoolsetc.com). They have several kinds of threaded inserts. Do a search under pedal repair. They're not cheap, but still cheaper than buying a new crank.
Steve Maas Long Beach California
henox wrote:
> Kevin wrote
> :
> "I went the helicoil route many years ago. When I owned a bike shop in the
> early 80's I converted one triple and two double Avocet cranksets
>
>>into one tandem set (I got them at a great price, so the cost was not an
>>issue). I drilled out the threads of the two double spider arms and one
>>"left" arm, and then used helicoils and taps to rethread each arm. We
>>had the helicoils and taps in the shop for the all too common stripped
>>crank arm repair."
>
>
> Where did you get left hand helicoils in that 9/16" size???
>
> Hugh Enox
> sunny La Honda
>
>
>
> _______________________________________________
>
> .