Join Date: Feb 2007
Location: Mid Willamette Valley, Orygun
Bikes: 86 RockHopper,2008 Specialized Globe. Both upgraded to 9 speeds.
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IF you meant you want to upgrade to more speeds, BCRider is absolutely correct.
You don;t have to change the wheel set, but you would need a different Free Hub Body, cassette and SHIFTERS. IF 9 speed, add a new chain to the mix.
To get a reasonable quality upgrade, you're probably talking close to $200-300ish?
Much cheaper to buy a bike that already has more gears.
Hard to believe "that's the only thing they sell here", when you are that close to DC! LOOK at some other bike shops! The TREK site says there are 11 TREK dealers within 25 miles of you!