Our company: We are the professional manufacturer of carbon bicycle and bicycle accessories in China for more than 10 years. Our main products are: carbon bike frame, fork, wheelset, handlebar, stem, seatpost, saddle ect. We offer 2 years' quality warranty for all of our carbon frames, and 1 year quality warranty for all of our carbon rim, wheel and other carbon components. WCB-M-145(29ER) Material: full carbon fiber Weave: UD Include Frame Headset size:top 1-1/8 down 1-1/2 Seatpost:31.6mm BB:BB92 Size:15.5/17.5/19/21 Rear shock size:190*51mm Brake Type: Disc Brake (rear 160mm /180mm rotor) Single Crankset Max teeth 34T . Front travel:100mm Rear travel:100mm Rear Hanger:142*12mm or 148*12mm Max Tire:29*2.3" Cables routing: All internal Test: CEN SGS Warranty: 2 years