Both, they will gain lots strength and little bit of size"”becoming super tone. Â When I started riding, I clearly noticed a difference in my legs, more cut. After a few miles out, naturally your legs will begin to fatigue, but with the continuous stroke you will tone them. Â Where you will gain the most mass is your calves, they will explode out.
For equipment, make sure you get a dong friendly seat. Â
Hope I helped,