Main Motorcycle: My RED '02 Sprint ST
Join Date: Jan 2009
Location: Webster Groves, Missouri, USA
Other Motorcycle: 99 Thunderbird Sport
I don't think you can swap the tube out of the heated throttle grip, but I never tried.
You could get the T2040331 throttle grip, then buy a set of Oxford heated grips and install them. I've heard they work well.
2002 Sprint St, RaceTech Springs and GVE, Reworked Shock, Raised Rearsets!
Zero Gravity DB Windscreen, CF Tankpad, 18T Front Sprocket, Fuel Pressure Regulator Mod
Quick Turn Throttle Mod, Michelin PR3, CF TOR, Corbin Seat, Luggage Rack