Wolf Tooth Premium Headset - ZS44/28.6 Upper 6mm Stack Black CheckoutSpec= 23-28C Shimano Dura-Ace CS-R9100 11-Speed CassettesCFRP/alloy

Shimano Dura-Ace CS-R9100 11-Speed CassettesCFRP/alloy spider arms and 5 titanium sprockets offer weight savings

FSA (Full Speed Ahead) 386 EVO Bottom Bracket AdaptorsThis is a pair of spacers that adapts a 386 EVO crankset to a 68mm BB30 or PF30 frame

Genuine Shimano maintenance equipment

TOP TUBE LENGTH: 25" (actual)

The Mirage was also designed with street riders in mind and uses a full bead-to-bead Silkshield protection layer and a special outer ridge which acts like a bumper and prevents the sidewall getting damaged during grinds

Wolf Tooth Premium Headset - ZS44/28.6 Upper 6mm Stack Black CheckoutSpec= 23-28C Shimano Dura-Ace CS-R9100 11-Speed CassettesCFRP/alloyWolf Tooth Premium Headset ZS44 28. 6 Upper 6mm Stack Black. Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high pressure waterproof lubricant. A pair of dual lip seals ride in micro grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended