At 15 stone, the differences in frame responses are not significant. At 19 stone, they are, especially under hard braking. You'll be okay whichever bike you choose. Ride quality is "friendlier" on a steel bike, and more harsh on an alu one. But again, that will still depend on variables such as tyre choices, and tyre psi.
At 15 stone, the differences in frame responses are not significant. At 19 stone, they are, especially under hard braking. You'll be okay whichever bike you choose. Ride quality is "friendlier" on a steel bike, and more harsh on an alu one. But again, that will still depend on variables such as tyre choices, and tyre psi.