The most versatile and serviceable hubs on the planet are now available with centre-lockKey Features:Specifically designed for road use with reduced drag ratchet mechanism.2 pawl ratchet with 44-point engagement (8 deg).Machined from forged 2014 T6 aluminium billet.Stainless Steel Bearings.Centre lock disc spline.Available in 135mm & 142mm widths.Available in 11 speed Shimano and Campagnolo.Aluminium or steel Freehub.Conversions available in QR and 12mm.Weight: 272g (32 hole 142mm).