FRAME AND FORK - 26" x 17"(for height 165-178cm), 19" (for height 178-185cm) or 21" (for height 180cm or over) Alloy Special-shaped Tubes. Internal Cable Routing. Hydraulic Lock-out Suspension Travel 100mm Fork. 21 SPEED SHIMANO DRIVETRAIN - Shimano ST-EF500 Shifter Lever. Shimano FD-TZ500 Front Derailleur, Shimano RD-TZ500 Rear Derailleur BRAKE - Trinx Alloy Mechanical Disc Brake WHEELS - Alloy Double Sealed Bearing Hub, Alloy Double Wall Rim, and CST 26"x1.95" Tyre. COLOR - Matt Black Red or Matt Black/Blue Frame: Frame: 26" x 17"(for height 165-178cm), 19" (for height 178-185cm) or 21" (for height 180cm or over) Alloy Special-shaped Tubes Internal Cable Routing Fork: Hydraulic Lock-out Suspension Travel 100mm Color: Matt Black/Red or Matt Black/Blue Components: Pedal: Wellgo Sport Saddle: Trinx Sport Handlebar: Trinx Hi-Ten Steel Oversize Flat Drivetrain: Shifter Lever: Shimano ST-EF500 Front Derailleur: Shimano FD-TZ500 Rear Derailleur: Shimano RD-TZ500 Cassette: 7S, 14-28T Chain: M30 7S Chainwheel: Trinx 24/34/42T*170L Brake: Trinx Alloy Mechanical Disc Wheels: Hub: Alloy Double Sealed Bearing Rim: Trinx Alloy Double Wall Tire: Kenda 26"*1.95"