ORIGIN8 Adrenaline Alloy 7005 triple butted alloy frame construction Hydrofromed top and down tubes Integrated 1 1/8" cartridge headset included Full high modulous Carbon fiber fork Set includes: Frame/Fork/ Semi Integ. Headset/ Seat collar HS Spec: Semi Int. Cup I.D. 44mm Race Dia. 30mm 1350g frame weight