shouldered-mains-housing-1

Ben Ballard (JBS Racing, United Kingdom) has been racing MX sidecars and by machining out the mains and putting a steel shouldered insert in he can control the rigidity and the fit of the bearings. Note that the bearings are fed in from outside the cases and then an internal nut is used to hold them down and in.

Ben Ballard (JBS Racing, United Kingdom) has been racing MX sidecars and by machining out the mains and putting a steel shouldered insert in he can control the rigidity and the fit of the bearings. Note that the bearings are fed in from outside the cases and then an internal nut is used to hold them down and in.