Cane Creek 70-Series Headset IS41/28.6|IS52/40 Blue Model=AK-5 Advanced Mechanic Tool Kit and neoprene cuff keep things

and neoprene cuff keep things snug and weather-tight

Large capacity main compartment with 2 side panels with expandable panniers

When the parts were bonded together in the first prototypes

These rings are for use with 110 BCD 5 arm cranksets

Cane Creek 70-Series Headset IS41/28.6|IS52/40 Blue Model=AK-5 Advanced Mechanic Tool Kit and neoprene cuff keep thingsDesigned 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