I guess you 'could' do it with 10 speed sram as both road and MTB have the same pull ratios. But i suspect you'd have to re tune the gears every time
Yes. Or put an inline Shiftmate/Jtek/whatever they're called in one of the cables.
@spotter started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
I guess you 'could' do it with 10 speed sram as both road and MTB have the same pull ratios. But i suspect you'd have to re tune the gears every time