Product Description Type: 20er Carbon MTB Bike; Frame: Carbon MTB Hardtail Frame 20er; Frame Size: 20er; Fork: Oil and Gas Suspension Fork 20er; Handelbar: TAOK Brand 7075 Aluminum Alloy 31.8mm 680mm; Stem: 3K Weave Aluminum Alloy,31.6mm*350mm; Seatpost: TAOK Brand 7075 Aluminum Alloy,31.6mm*350mm; Seat Clamp: High Strength Aluminum Alloy,37mm; Headset: Tapered,Top 1 1/8-Down 1 1/2,Bearing; Derailleur Lever : SHIMANO M4100,1*10S-Speed; Cranksets: JIANKUN 7075 Aluminum Alloy 34T*127mm; Bottom Brakcet: BSA Thread; Cassettes: 11-36T; Chain: KMC-X10 10S-Speed; Brake F/R: SHIMANO BR-MT200 Hydralic 160mm Disc Brake; Rims: Thru Axle 7075 Aluminum Alloy Disc Double Wall; Hub F: 2 Bearing Aluminum Alloy 100*15mm; Hub R: 4 Brearings Aluminum Alloy 142*12mm; Tyre F/R: KENDA 20er*2.35mm; Saddle: BXT PU Leather Bicycle Saddle; Frame Color: Customizable Colors; Our Online Shop：www.bxtbikes.com