Bike Comparison
    MSRP
    $675
    $750
    $475
    Where to Buy
    $1

    At

    $1

    At

    $1

    At

    Category
    CrosscountryCrosscountryCrosscountry
    2.7
    3.2
    2.4
    AluminumAluminumAluminum
    Fork
    Suntour XCTSuntour XCMSuntour
    Wheels
    AluminumAluminumAluminum
    27.5″ / 29″27.5″ / 29″27.5″ / 29″
    Brakes
    Mechanical DiscHydraulic DiscMechanical Disc
    Groupset
    Tourney, ShimanoTourney, ShimanoTourney
    Drivetrain
    3 × 73 × 83 × 7
    Suspension
    HardtailHardtailHardtail
    Front Travel
    80mm80mm75mm
    Brand Site

    gtbicycles.com

    gtbicycles.com

    gtbicycles.com

    Summary
    The GT Aggressor Comp, GT Aggressor Expert, and GT Aggressor Sport are all 27.5″ / 29″ aluminum frame hardtail crosscountry bikes with mid-range components. The Aggressor Expert has a better fork and higher gearing.
    Similar Bikes
    Accessories
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    26 mph

    2021 Aggressor Comp

    30 mph

    2021 Aggressor Expert

    26 mph

    2020 Aggressor Sport

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Frame

    GT 6061 T6 Aluminum Frame, Triple Triangle w/ Floating Seat Stays, Forged Drop-outs w/ Disc Brake Mounts, Zero Stack 1 1/8" Head Tube, 27.5/29" Wheels

    GT 6061 T6 Aluminum Frame, Triple Triangle w/ Floating Seat Stays, Forged Drop-outs w/ Disc Brake Mounts, Zero Stack 1 1/8" Head Tube, 27.5/29" Wheels

    All new 6061 T6 Aluminum frame, Triple Triangle with floating seat stays, Forged drop-outs with disc brake mounts, Zero stack 1 1/8" head tube, 27.5/29" wheels

    Fork

    SR Suntour XCT, 80mm, Coil

    Travel80mm

    Spring TypeCoil

    SR Suntour XCM-DS, 80mm, Hydraulic Lockout and Preload, Coil

    Travel80mm

    Spring TypeCoil

    SR Suntour M3030, 75mm, Coil

    Travel80mm

    Spring TypeCoil

    Bottom Bracket

    Cartridge, Square Taper

    Cartridge, Square Taper

    Cartridge, square taper

    Headset

    Semi-integrated, Sealed Cartridge

    Semi-integrated, Sealed Cartridge

    Semi Integrated, Sealed cartridge

    Stem

    GT All Terra, 6061 Alloy, 31.8, 8°

    GT All Terra, 6061 Alloy, 31.8, 8°

    6061 Alloy, 31.8, 8°, 90mm

    Handlebar

    GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width

    GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width

    GT All Terra Alloy Riser, 25mm rise, 8° sweep, 6° rise, 720mm width

    Saddle

    GT MTB

    GT MTB

    GT MTB

    Seatpost

    GT All Terra Two Bolt Alloy

    GT All Terra Two Bolt Alloy

    Alloy Micro Adjust 27.2 x 300mm

    Pedals

    GT Slim Line Flat Pedal

    GT Slim Line Flat Pedal

    GT Slim Line Flat Pedal

    Grips

    GT Statement

    GT Statement

    GT Statement2 Single Lock-on Grips

    Groupset
    Rear Derailleur

    Shimano Tourney

    Shimano Tourney

    Shimano Tourney

    Front Derailleur

    Shimano Tourney, 31.8 Clamp

    Shimano TY700

    Shimano Tourney, 31.8 clamp

    Crank

    Prowheel Alloy, 42/34/24

    Shimano TY301, 42/34/24t

    All Terra, 42/34/24

    Shifters

    Shimano EF505 EZ Fire, 3x7

    Shimano SL-M315, 8-speed

    Shimano EZ Fire EF41, 3x7

    Cassette

    Sunrace, 14-34, 7-speed

    Shimano Acera, 12-32, 8-speed

    Sunrace, 14-34, 7-speed

    Chain

    KMC Z7, 7-speed

    KMC Z8.3, 8-speed

    KMC Z51, 7-speed

    Brakes

    Tektro Mech Disc Brakes, 160/160mm Rotors

    Tektro M275 Hydro Disc, 160/160mm Rotor

    Cable actuated mechanical disc, 160/160mm rotors

    Brake Levers

    Alloy V-type

    Alloy

    Wheels
    Rims

    WTB SX19, 32h

    WTB SX19, 32h

    WTB SX19, 32h

    Spokes

    Stainless Steel, 14g

    Stainless Steel, 14g

    Stainless Steel, 14g

    Front Hub

    Alloy Disc, QR

    Alloy Disc, QR

    Sealed Alloy Disc, QR

    Rear Hub

    Sealed Alloy Disc, QR

    Alloy Disc Cassette QR, 28H

    Alloy Cassette

    Tires

    WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound

    WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound

    WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound

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