Sunday Conical Headset Optie:Sunday Int. Conical Headset SB 1-1/8", black structure in the tire takes

structure in the tire takes over a progressive volume compensation and thus allows a moderate

Then just add the "bobbins" from your stock BOB quick release to your Robert Axle

but also be easy to service and update with changing axle and cassette standards

you can attach a Burley Trailer

Just hop on and ride

Sunday Conical Headset Optie:Sunday Int. Conical Headset SB 1-1/8", black structure in the tire takesConical New dust cap design Tall stack height (12mm) Matching spacers 1 1 8" integrated Precision tapered wedge to keep headset tight Compatible with Odyssey Gyros and Snafu Mobeus Specs Campagnolo standard spec Outer Diameter: 41. 8mm Bearings: 45 tapered Weight w out Spacers: 2. 1 oz. Weight with Spacers: 2. 3 oz.