Recent content by sptb

I have frame and forks from a GT Karakorum, was sold to me as 1996 but that may be wrong - would like to know what it's worth. Breif spec is Tange Cro-mo butted tubing Groove Tube Canti's front and rear (not U-brake) 73mm shimano bottom bracket 1 1/8 Tange Aheadset Gun mental grey with yellow...

Is there any advantage to doing it this way? Just seems to be additional cost and work over the 8 of 9 option, will one or other index better with the alternative cable routing or can I get away with out that for an 8spd cassette as the spacing is closer so kind off within tolerances?

Can anyone help with above questions. Am now leaning more to doing the 8 of 9 conversion with the alternative deraileur cable routing as detailed by Sheldon Brown, so I can use the "hidden" 8th gear on the thumbshifters, which as well as giving me an extra cog would also open up the range of...

Hi - yes its a 7 speed - I don't think 8 speed was available in 1991 except on Dura-ace. Which reminds me back then someone did aftermarket an add on 8th cog that incorporated a screw on gear in the place of the cassette lock ring - are these still available? I know I could do the various 8/9...

Been lurking and reading for a while but finally signed up the other day and broke the bike out as I was planning to today. Have been away from the scene for I guess 20 years now, was an avid reader of MBUK and others back in the day but haven't kept up with whats what these days though have...