GT Aggressor Expert 29 Hardtail BikeWhether you’re riding fast singletrack, sessioning challenging descents or spending long days in the saddle for all-mountain adventures, the Aggressor Expert is ideal for any challenge you throw at it. It features GT's Triple Triangle aluminium frame design, SR Suntour suspension, a microSHIFT 3x8-Speed drivetrain and Tektro hydraulic disc brakes. This bike provides a versatile performance output that's suited to riding anywhere on the mountainside.Features: Frame: GT 6061 T6 Aluminium Frame, Triple Triangle w/ Floating Seat Stays, Forged Drop-outs w/ Disc Brake Mounts, Zero Stack 1 1/8" Head Tube, 29" Wheels Fork: SR Suntour XCM-DS, 80mm, Hydraulic Lockout and Preload, Coil Headset: Semi-integrated, Sealed Cartridge Stem: GT All Terra, 6061 Alloy, 31.8mm, 8-degree Rise Handlebar: GT All Terra Alloy Riser, 25mm Rise, 8-deg Sweep, 6-deg Rise, 720mm Width Grips: GT Statement Shifters: microSHIFT 3 x 8s Thumb-tap shifters, light shifting design, with optical gear indicator Brakes: Tektro M275 Hydro Disc, 160/160mm Rotor Crankset: ProWheel 42-34-24T, 175mm Bottom Bracket: Cartridge, Square Taper Chain: KMC Z8.3, 8-speed Cassette: microSHIFT 12-32T, 12-13-15-18-21-24-28-32, 8-Speed Front Derailleur: microSHIFT 7/8-Speed, Chainstay Angle 66-69, dual pull Rear Derailleur: microSHIFT 8/9-Speed, long cage, max. sprocket: 36T, total capacity 45T Tyres: WTB Ranger Comp, 29x2.25", DNA Compound Rims: WTB SX19, 32H Front Hub: Alloy Disc, QRx100m Rear Hub: Sealed Alloy Disc, QRx135mm Saddle: GT MTB Seatpost: GT All Terra Two Bolt AlloyEasy AssemblyWhen you order a bike, one of our trained mechanics will carefully prepare and pack your bike for shipping. Upon delivery, the assembly is simple and all necessary tools are conveniently included in the box.Depending on the delivery service and destination, bikes will either be delivered in a large or a small box. Below is a guide as to how your bike will arrive: All bikes for delivery within the UK and Republic of Ireland will be delivered in a large box, except for kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for delivery within the EU on a standard service will be delivered in a large box. If an express delivery option is chosen, your bike will be packed into a small box. Again, the exception is kids’ bikes and BMX bikes, which are always delivered in manufacturer’s boxes. All bikes for worldwide delivery outside the EU will be delivered in small boxes.This video demonstrates assembly from a SMALL BOX.This video demonstrates assembly from a LARGE BOX.Buy GT Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.