All frames don't include headsets. Does not contain Thur axle. Customers who need it can order. The front fork has two sizes. Item: GR029 Include frame+fork Finished: Customized paint&Logo decal Material: full carbon T700 Frame size: 49cm/52cm/54cm/56cm/58cm Headset: 1-1/8" to 1-1/2" Tapered Integrated Frame Weight: Frame 1224.2/+-50g (58cm) Fork weight Fork 411.2/+-10g Seat post weight Seatpost 232.8/+-5g Seat post size: 27.2mm Diameter Seat post.TIRE: 70042c BB: BSA Frame Rear Space: 14212mm Fork spacer : 10015mm/10012mm Group set: Di2 and Mechanical Compatible Brake Type: Flat Mount Gravel Disc Brake Disc Rotor. Front and Rear 140mm, if 160mm need add adaptor. This item is in the category "Sporting Goods\Cycling\Bicycle Frames". The seller is "tantansports" and is located in this country: CN. This item can be shipped worldwide.