Discover the freedom and fun of off-road riding with the GT Aggressor Sport 29er bike. For recreational cyclists eager to escape the pavement, this lightweight hardtail delivers a plush, smooth ride.
- SR Suntour M3030 fork with 75 mm of travel gives a plush, smooth ride
- Whether you're gearing up for more miles or bigger hills, the microSHIFT thumb tap shifters offer 21 speeds to find your perfect cadence
- Accelerate or corner with ease thanks to the all-conditions WTB tires
- Tektro mechanical disc brakes provide crisp control when it's time to slow (or stop) your roll
- Low-profile pedals give extra clearance between obstacles and your feet
- Closeout
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
Best Use | Mountain Biking |
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Mountain Bike Style | Trail |
Frame | GT 6061 T6 aluminum, triple triangle with floating seatstays, forged drop-outs with disc brake mounts, zero stack 1-1/8" head tube |
Bike Suspension | Front Suspension |
Fork | SR Suntour M3030, 75 mm, coil |
Fork Travel | 75 millimeters |
Crankset | Prowheel alloy, 42/34/24 |
Bottom Bracket | Cartridge, square taper |
Shifters | microSHIFT TS38, 3x7 |
Front Derailleur | microSHIFT FD-M20M |
Rear Derailleur | microSHIFT RD-M26C |
Rear Cogs | 14-34, 7-speed |
Number of Gears | 21 gear(s) |
Brake Type | Mechanical Disc Brake |
Brakes | Mechanical disc, 160/160 mm rotors |
Brake Levers | Alloy V-type |
Rims | WTB SX19, 32h |
Front Hub | Alloy disc, QR |
Rear Hub | Sealed alloy disc, QR |
Wheel Size | 29 inches |
Tires | WTB Ranger Comp, 29 x 2.25, DNA compound |
Tire Width | 2.25 inches |
Handlebar Shape | Riser Bar |
Handlebar | GT All Terra alloy riser, 25 mm rise, 8 deg. sweep, 6 deg. rise, 720 mm width |
Stem | GT All Terra, 6061 alloy, 31.8, 8 deg. |
Seat Post | GT All Terra 2-bolt alloy |
Saddle | GT MTB |
Pedals | GT Slim Line platform |
Headset | Semi-integrated, sealed cartridge |
Chain | KMC Z7, 7-speed |
Weight | 34 lbs. 6.2 oz. |
Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
Gender | Unisex |
M | L | XL | |
---|---|---|---|
Reach | 42 | 44 | 45.9 |
Stack | 61.9 | 62.8 | 63.8 |
Effective Top Tube | 58 | 60.1 | 62.4 |
Seat Tube Center-Top | 46 | 50 | 54 |
Standover Height | 76.7 | 79.2 | 81.7 |
Head Tube Length | 13 | 14 | 15 |
Head Tube Angle (degrees) | 68.5 | 68.5 | 68.5 |
Seat Tube Angle (degrees) | 73.5 | 73.5 | 73.5 |
Bottom Bracket Height | 31.2 | 31.2 | 31.2 |
Wheelbase | 114.1 | 116.5 | 118.8 |
Chainstay | 44.5 | 44.5 | 44.5 |
Fork Offset | 5.6 | 5.6 | 5.6 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.