I robbed a Nexus 3-speed coaster off a girls' Trek cruiser and set it up on my old Hornet. I really like it: it shifts smooth, it's quiet, it works great... and the brakes are like no other coaster I've ever ridden. Usually on coaster brakes, there's a few degrees of backpedal, then the shoes contact the hub shell, and then there's no further discernible backwards movement--it's just how hard you lean on the pedal till you lock it up. With this Nexus, though, there's the few degrees back, then the shoes make contact, and then there's another couple degrees of travel that you can use to modulate how hard you're braking. It feels like the brake pedal in a car, where there's a certain amount of pedal travel that gets increasingly harder between the point that the brake lights come on and a full panic stop. On the bike, it's all done in an inch or less of rotation at the pedal, but you can definitely sense movement and feel that you're applying the brakes harder. How do they do that? Is the brake arm on a Nexus hub attached through a spring?