Cane Creek 70-Series Headset ZS44/28.6|ZS56/40 Red CheckoutSpec= 12/Count Dimensions: 146mm x 20mm x

Dimensions: 146mm x 20mm x 8mm  each

and they all work outside their listed temperature ranges

As with all DYNAFIT bindings

Improvement: Faster and more durable than the reliable R20

Cane Creek 70-Series Headset ZS44/28.6|ZS56/40 Red CheckoutSpec= 12/Count Dimensions: 146mm x 20mm xDesigned 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