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Join Date: May 2002
Location: Washington D.C.
Bikes: Giant TCR Advanced SL, Blue T-14 TT bike
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Originally Posted by HillRider
The OP's frame has a single shifter mounting boss brazed to the top of the down tube that requires a specific design shifter. These are increasingly hard to find and I don't know if any were made beyond the 7-speed era.
The only alternative is to have a frame builder remove the current boss and braze on more conventional side mounted bosses.
Correct. And sticking with 7-speed is preferred for me. Again, these single-boss mounted shifters seem really scarce. I'm guessing they were manufactured in much smaller numbers than their side-mounted counterparts in the same line. Here is a pic of the boss on my 1985 Panasonic, as well as the original friction shifter.
-- Would a suntour symmetric even fit the Panasonic mount?
-- I came across a pic of the adapter below. Anyone know where to get one?
Last edited by Flash; 02-20-09 at 10:01 PM.