I know Shimano could do that if you just turned on the full Synchro Shift feature and the front ring would shift on its own and you could operate just the rear using one shifter. Not sure how SRAM would work in that regard.
I know Shimano could do that if you just turned on the full Synchro Shift feature and the front ring would shift on its own and you could operate just the rear using one shifter. Not sure how SRAM would work in that regard.