Framebuilders - need someone to make custom tandem handlebar stem for stoker

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plymplan
06-22-10, 10:41 AM
I am helping a friend with her new tandem bike. In order to get the seatpost low enough, we would need to have a custom handlebar stem for the stoker which doubles as a seatpost clamp.

See photo for existing part.

the replacement part would be identical except for the diameter of the clamp - instead of fitting seatpost, it fits over seat tube.

can someone help with this? or direct me to a framebuilder who can?

THANKS!

plymplan
06-22-10, 10:42 AM
I am in New Hampshire
3v1lD4v3
06-22-10, 03:07 PM
Perhaps a shim is available, depending on the relevant diameters.

unterhausen
06-22-10, 04:40 PM
no, they need to drop the stem down so it fits on the frame. I could do it, but I'm a little reluctant without access to the frame.
plymplan
06-23-10, 08:12 AM
Unterhausen

I can provide caliper readings to give you an accurate diameter if that helps...