The shimano dura ace c60 carbon clincher wheelset features a wider rim to increase ride stability provide increased cornering ability on wider tyres and greater aerodynamic properties the shimano dura ace c60 carbon clincher wheelsets wider rim is 50 mm deep with an alloy braking surface to create an incredibly fast straight line wheelset with trusted braking power the shimano dura ace c60 carbon clincher wheelset uses stainless steel butted straight pull bladed spokes with al