Cane Creek 40 Series Crown Race 52/30mm (1-1/8") Steerer

. Crown races for Cane Creek headsets fit a variety of lowers and crown race seat diameters . Compatible with 52mm lower headset bearings . Compatible with 30mm (1-1/8") straight steerer tubes . Durable steel construction . Allows the installation of a straight steerer fork without changing out the headset lower . Compatible with 10-, 40- and 110-Series headsets and backwards compatible with S and XX Series . Integral mold seals keep out the elements