GT Avalanche Sport Mountain Bike Satin Black (2020)
Up to 12 months interest free
Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »
Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.
First Free Service
Every bike come with a complimentary free service and safety check.
Please Note: GT is not available in our ACT stores.
The GT Avalanche Sport is an awesome hardtail mountain bike for the rider that wants to develop their mountain biking on a hardtail. The brand new alloy 6061 frame is durable and lightweight and is built with internal cable routing which gives this bike a sleek and clean appearance. It also comes with stealth dropper post routing and floating seat stays to maximise comfort.
The Avalanche offers excellent value with the 3x9 speed drivetrain giving you crisp shifting and easy speed on any climb or descent. The Tektro M275 Hydraulic Disc Brakes with 160mm rotors are another standout feature on the avalanche, offering you complete control over the Avalanche so that you can ride with confidence on any trail, in any conditions. While the SR Suntour XCT-DS fork with hydraulic lockout and 100mm travel gives you enough travel to really push the Avalanche on the dirt. You'll be equipped to take on a wide variety of terrains with the WTB Ranger Comp 2.25" tyres built for sharp rocks, ditches and everything in between.
The GT Avalanche Sport hardtail mountain bike offers high-performance spec on a capable mountain bike that is extremely affordable for a bike with such quality components. This bike blends performance with hardtail comfort for a well-rounded bike that never lets up.
- 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")
|Bottom Bracket||Cartridge, square taper|
|Brake Levers||Tektro M280|
|Brake Type||Hydraulic Disc Brake|
|Brakes||Tektro M275 hydro disc, 160/160mm rotors|
|Cassette||Shimano HG200, 11-36, 9-speed|
|Chain||KMC Z9, 9-speed|
|Crankset||All Terra, 36/27|
|Delivery Options||Click & Collect|
|Derailleur Front||MicroShift Direct Mount|
|Derailleur Rear||Shimano Alivio|
|Fork||SR Suntour XCT-DS, 100mm, hydraulic lockout, Coil|
|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|
|Grips||GT Statement2 Single Lock-on Grips|
|Handlebar||GT All Terra Alloy Riser, 25mm rise, 8° sweep, 6° rise, 720mm width|
|Headset||Semi Intgrated, Sealed Cartridge, Tapered|
|Hubs||Sealed Alloy Disc, QR|
|Pedals||GT Slim Line Flat Pedal|
|Rims||WTB SX19, 32h|
|Saddle||All Terra MTB|
|Seatpost||All Terra Micro Adjust, 6061 Alloy, 30.9 x 350mm|
|Shifters||Shimano Altus, 9-speed|
|Stem||All Terra Alloy 1 1/8” Threadless, 4-Bolt W/ CNC Face Plate, 31.8, 8°, 80mm|
|Tyres||WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound|
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.
Club 99 Membership
Join Club 99 for just $5 when you make a purchase in store, or use the button below to buy membership online. To reward you for being a club member, your Club 99 membership card will give you these great benefits:
- Discounted Club 99 pricing, in store and online
- A $25 gift card when you spend over $500 in a year *
- Access to free bike maintenance classes
- Exclusive priority access to new offers
- Access to exclusive guarantees
Please note that when you buy Club 99 membership online, it may take up to 20 minutes to receive your welcome email.
* Click here for Club 99 terms and conditions.
GT Hardtail Bike Sizing Chart
This is an accurate estimate, and every new bike comes with a free professional bike fit when you click & collect in store, plus all bikes have a 30 day Perfect Ride Guarantee.