Which is exactly the reason why we don't use them..I saw a rider really knacker his pelvis a few years ago due to the momentum still carrying the wheel - sprocket - legs around. It takes some doing to unscrew one once ridden hard..
Only ever time I've kicked off a sprocket on track was during a crash and while fucking about.
Which is exactly the reason why we don't use them..I saw a rider really knacker his pelvis a few years ago due to the momentum still carrying the wheel - sprocket - legs around. It takes some doing to unscrew one once ridden hard..