Image of GT Avalanche Sport

GT Avalanche Sport

GT Avalanche 2020


Cross Country

Size / XS,S (27.5"), M,L,XL(29")

At a glance

The 2020 GT Avalanche Sport is an Cross Country mountain bike. It sports 29" and 27.5" wheels, is priced at $725 USD, comes in a range of sizes, including XS,S (27.5"), M,L,XL(29"), has SR Suntour suspension and a Shimano drivetrain. The bike is part of GT's Avalanche range of mountain bikes.

- For the aspiring mountain biker who wants a trusted ride that will adapt as their skills develop. Frame Description All new 6061 alloy triple triangle frame design featuring floating seat stays, internal cable routing, Stealth dropper post routing, forged drop outs w chainstay mounted disc brake, Boost 141mm rear spacing, direct mount front derailleur, tapered 1 1/8”- 1 ½” zero stack head tube. Key Features Floating seat stays provide a more comfortable ride Internal cable routing for a clean and modern look Stealth dropper post routing Blended wheel-size accommodates a wide range of riders XS,S (27.5″), M,L,XL(29″)   Avalanche Comp Features: A 100mm travel SR Suntour fork A 2×9 Shimano Alivio drivetrain

Where To Buy



  • Frame
    All-New 6061 T6 Aluminum frame, Triple Triangle with floating seat stays, Internal Cable Routing, stealth dropper post routing, Boost 141 Forged drop-outs with disc brake mounts, Zero stack tapered  1 1/8"- 1.5" head tube, 27.5/29" wheels
  • Fork
    SR Suntour XCT-DS, 100mm, hydraulic lockout, Coil
  • Hubs
    Sealed Alloy Disc, QR
  • Wheels
    WTB SX19, 32h
  • Wheel Size
    29" 27.5"
  • Spokes
  • Tires
    WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound
  • Chain
    KMC Z9, 9-speed
  • Crank
    All Terra, 36/22
  • Bottom Bracket
    Cartridge, square taper
  • Front Derailleur
    MicroShift Direct Mount
  • Rear Derailleur
    Shimano Alivio
  • Shifters
    Shimano Altus, 9-speed
  • Cassette
    Shimano HG200, 11-36, 9-speed
  • Pedals
    GT Slim Line Flat Pedal
  • Brakeset
    Tektro M275 hydro disc, 160/160mm rotors
  • Handlebar
    GT All Terra Alloy Riser, 25mm rise, 8° sweep, 6° rise, 720mm width
  • Saddle
    All Terra MTB
  • Seatpost
    All Terra Micro Adjust, 6061 Alloy, 30.9 x 350mm
  • Stem
    All Terra Alloy 1 1/8” Threadless, 4-Bolt W/ CNC Face Plate, 31.8, 8°, 80mm


Q: How much is a 2020 GT Avalanche Sport?

A 2020 GT Avalanche Sport is typically priced around $725 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: What size wheels does the 2020 GT Avalanche Sport have?

The 2020 GT Avalanche Sport has 29" and 27.5" wheels.

Q: What size 2020 GT Avalanche Sport should I get?

The 2020 GT Avalanche Sport comes in sizes XS,S (27.5"), M,L,XL(29"). After measuring your height, use the below size chart to find the correct size GT Avalanche Sport for your height.

Rider Height (cm)Rider Height (in)Frame Size
148cm - 158cm4'10" - 5'2"XS
158cm - 168cm5'2" - 5'6"S
168cm - 178cm5'6" - 5' 10"M
178cm - 185cm5'10" - 6'1"L
185cm - 193cm6'1" - 6'4"XL
193cm - 198cm6'4" - 6'6"XXL


0 Replies

No comments on this bike yet.

Leave a Reply

Your email address will not be published. Required fields are marked *

Deals View All

Recent Posts View All

Blackburn Honest Digital Pressure Gauge Review
Blackburn Honest Digital Pressure Gauge Review

It's 2020 people. The squeeze and bounce test doesn't cut it anymore (and this is…

Read More
Comparing Mountain Bikes
Comparing Mountain Bikes

Mountain Bikes are complicated machines. They have parts from hundreds of different manufacturers, come in…

Read More
Undomestic Mountain Bikes: Here’s what we know
Undomestic Mountain Bikes: Here’s what we know

Update March 2020: Undomestic has announced that they are manufacturing frames "at this moment" and…

Read More