The Omnium CXC stands for Cyclo Cross City, and does just that. Commute, gravel, cyclocross, world tour, or alleycat – the CXC will work for you. With 700x45c tire clearance and triple cage fork mounts, this thing is even adventure ready! Adjustable dropouts let you run singlespeed, fixed, Internal gear hub, or a derailleur. It‘s now also belt drive compatible! We could go on about possibilities, but in short the CXC is a true Swiss Army knife. There is nothing more versatile. Frame Specifications 6 Sizes XS (51), S (53), M(56), L (59), XL (62), XXL (64) Material Double-Butted Chromoly Steel Frame & Fork Gears For 1x rear derailleur gear system Seat post diameter: 27.2mm Rear Wheel: TA Insert: 622, 12 x 142mm spacing, disc onlyQR Insert: 622, 10 x 135mm spacing, disc only Front Wheel: 622, 12 x 100mm spacing, disc only Tyre clearance, front: 45mm clearance with mudguards Tyre clearance, rear: 45mm clearance with mudguards (50mm chainstay clearence) Thru Axle Rear 12×142, 172mm long, 19mm thread length, 1.75mm pitch Thru Axle Front 12×100, 125mm, 17mm thread length, 1.5mm Pitch Headset: 1 1/8″ Ahead Bottom Bracket: 68mm BSA Brake Mounts: IS brake mount front and rear, for minimum 160mm and max 180 rotors Q-Factor 145mm Recommended maximum loading weight including rider: 100 kg Framekit weight(Large); Including Fork, Drop Outs & Axles 3,7 kg Framekit includes FrameForkSeatpost binder nutThru axles frontComes with a choice of QR dropouts ore 12mm thru axle inserts and thru axleFramekit Does NOT include a headset.