Cane Creek 70-Series Headset IS42/28.6|IS52/40 Gold CheckoutSpec= Standard Eyelet 57.5-65mm Ultra compact design fits into

Ultra compact design fits into most seat packs or jersey pockets

Length 127 Color Deja Blue Flange No Lock On No Weight 200 Grip Shift Specific No Defined Color Blue Shape Round

Read more and see a sizing chart here

5" Manufacturer Spec ERD (mm) 561 Rim Center Offset (mm) 2

40 TPI 60x2TPI Tire Width 2

Cane Creek 70-Series Headset IS42/28.6|IS52/40 Gold CheckoutSpec= Standard Eyelet 57.5-65mm Ultra compact design fits intoDesigned to bridge the gap between the 40 and 110 series headsets Contoured and relieved 6061 T6 aluminum for minimized weight and maximized strength Low friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless steel Hellbender bearings Dual Seal crown race provides excellent seal efficiency with low friction Carbon friendly compression ring and Interlok