Magnetic with Crono frame, ultra stable 4 sided base.
With the Crono Mag pedalling is smoother because the change between the 5 levels of resistance is progressive and gradual. The riders weight and bike combined sits atop the roller, just like on the road. The Crono frame will also not destroy your carbon frame like "A" frame designed trainers.
Comes complete with special QR Skewer.
Magnetic resistance unit
Large flyeheel (1,7 kg.)
Handlebar mounted lever