Join Date: Dec 2013
Location: Lubbock, Texas
Bikes: VeloBuild VB-R-027 (road), Miracle Bikes MC-286 (cyclocross), 1986 Raleigh Olympian, X-Peria 5200 (tandem)
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Upgrading gearing on old tandems
I'm looking to upgrade a low-end tandem (2002 Raleigh SC tandem) to something a little nicer without spending too much money, so I've been looking at the used options out there. I would want to upgrade the shifting on anything old enough to not have STI-style shifters. If I recall correctly, the cassette size should be about the same for anything in the 8-10 speed eras, so an 8-speed system could be upgraded to a 10-speed system without changing the wheel (someone correct me if I'm wrong). I recently found a 7 speed Burley Duet (the seller says it's a 1993) and I wondered whether anyone knows what dropout spacing to expect on this bike, or others from the 7 speed era. Is it likely to fit an off-the-shelf mountain bike wheel?