GT Avalanche Comp Red/Black (2019)

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The GT Avalanche Comp is an aluminium frame, hardtail mountain bike that is you gateway to the outdoors. The Avalanche is one of GT’s longest running models, and for good reason.

The 6061 T6 aluminium frame w/ Triple Triangle™ and replaceable derailleur hanger is a stiff and durable frame that utilises high-end geometry.  This lightweight frame combines smoothly with the SR Suntour XCM-DS with 100mm travel and hydraulic lockout. You’ll get excellent return for your effort on the Avalanche Comp, with the 2x9 speed Shimano Alivio drivetrain powering you through the wilderness. While you roll on WTB Transition tyres, which give you just the right mix of traction and speed. This is paired with Shimano disc brakes so that you can stop on a dime, every time.

The GT Avalanche Comp is purpose-engineered for the mountain, made to be high on performance but low on cost. The Avalanche Comp will take you from the paths to the trails seamlessly and then really show off its capabilities on the dirt.


  • Shimano Alivio and Deore Drivetrain, 2x9 / Shimano Disc brakes

  • WTB SX19 Double wall Disc rims / WTB Transition 2.25" tires

  • SR Suntour XCM-DS, Coil Sprung Fork, Hydraulic Lockout


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More Information
Model Year2019
Bottom BracketCartridge Sealed
Brake LeversShimano disc
CassetteShimano Alivio, 11-36, 9-speed
ChainKMC Z99, 9-speed
CranksetAll Terra, 36/22
Derailleur FrontShimano Alivio, 31.8 clamp
Derailleur RearShimano Deore
ForkSR Suntour XCM-DS, 100mm, hydraulic lockout, Coil
Frame6061 T6 Aluminum Frame, w/ Triple Triangle™, Replaceable Derailleur Hanger, Disc Brake Mounts, and Zerostack tapered 1 1/8-1 1/2Head Tube, 27.5/29 Design
GripsGT Statement logo grips
HandlebarGT All Terra Alloy Riser, 25mm rise, 8° sweep, 6° rise, 720mm
HeadsetSemi Intgrated, Sealed Cartridge, Tapered
HubsFormula QR front and rear, 6 bolt
PedalsGT Slim Line Flat Pedal
RimsWTB SX19, 32h
SaddleAll Terra MTB
SeatpostAll Terra Micro Adjust, 6061 Alloy, 30.9 x 350mm
StemAll Terra Alloy 1 1/8” Threadless, 4-Bolt W/ CNC Face Plate, 31.8, 8°
SpokesStainless Steel, 14g
ShiftersShimano Alivio, 2x9
TyresWTB Transition, 27.5/29 x 2.25"
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About GT Bicycles

GT'S story is simple: speed, speed and even more speed. From GT’s namesake Gary Turner designing one of the first BMX race bikes in 1972 to the modern carbon fiber creations that redefine fast-as-hell, GT has built a long legacy of racing, winning, yet never taking things too seriously.

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