Avalanche Sport

The Avalanche is equipped with the most capable components to inspire confidence and progression on the trails. Features like the dropper-post compatible frame and tubeless ready rims will help you let loose on singletrack, get up those tricky climbs, and push your limits on the descent 


This bike will come partially assembled. Please see these instructions and build video on how to assemble the bike.


Was $850.00


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frame GT Alloy Triple Triangle, 27.5/29" Wheels, replaceable hanger
sizes available XS,SM,MD,LG,XL
fork SR Suntour XCT, 100mm, Hydraulic Lockout
wheel size 27.5",29"


rims WTB SX19, 32h
front hub Alloy Disc, QR, 32H
rear hub Formula, QRx141, 32H
front tire WTB Ranger Comp, DNA Compound, 27.5/29 x 2.25"
rear tire WTB Ranger Comp, DNA Compound, 27.5/29 x 2.25"


rear derailleur microSHIFT RD-M36L
front derailleur Shimano Altus
shifters microSHIFT TS39-29, 9-speed
rear cogs microSHIFT, 11-36T
chain KMC Z9, 9-speed
crank Prowheel, 36/22T
bottom bracket BSA, Square Taper
pedals GT Slim Line Flat Pedal


handlebar GT Alloy Riser, 25mm Rise, 720mm Width, 6° up, 8° back
stem GT 3D Forged Alloy, 31.8, 80mm
grips GT Statement
headset Semi-integrated, Sealed Cartridge, Tapered
seatpost GT All Terra Two Bolt Alloy, 30.9mm
saddle GT MTB


brakes Tektro M275 Hydro, 160/160mm Rotors

Fit Guide

4'8" - 5'0"
5'0" - 5'5"
5'5" - 5'10"
5'10" - 6'1"
6'1" - 6'6"

GT Tech Book

GT Owner's Manual