GT Avalanche Sport 27.5″


It started with a single day on a bike, and quickly snowballed into an obsession. It’s the thrill of the chase when you’re coming down the mountain side that keeps you going. With 27.5” wheels and 100mm of travel, GT’s Avalanche is designed to keep you floating above the flotsam so you can take down everything in your path.


27.5″ wheel specific Speed Metal™ aluminum frame with Triple Triangle.
100mm travel SR Suntour XCT-MLO fork with mechanical lockout
Shimano Alivio 9spd Rear Derailleur with SR Suntour XCM-T414 Crankset. (44/32/22)
Fast rolling 27.5″ x 2.10″ GT All Terra MTB
Pro-max Decipher hydraulic discbrakes with 160mm rotors
Sizes: XS, S, M, L, XL
Colors: Gloss Black, Gloss White
Frame: Hydroformed 6061 T6 Aluminum Frame, w/ Triple Triangle, Replaceable Derailleur Hanger, Disc Brake Mounts, and Zerostack 1 1/8″ Head Tube, 27.5 Design
Fork: SR Suntour XCT-HLO w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Preload Adjust, Mechanical Lockout, QR, Fore 27.5
Crank: SR Suntour XCM-T414, 44/32/22T
Bottom Bracket: Cartridge Sealed
Pedals: GT Slim Line Flat Pedal
Front Derailleur: Shimano Altus FD-M371
Rear Derailleur: Shimano, Alivio, RD-M431
Shifters: Shimano SL-M370, Rapid Fire
Cog Set: Sunrace CS-M90, 11-34T, 9-Speed Cassette
Rims: Shinning DB25, Double Wall, 32H
Tires: ALL TERRA MTB, 27.5X2.10″
Hubs: All Terra Alloy, W/ Quick Release
Spokes: 14G Stainless
Nipples: Brass
Brake: Tektro HD-M290 Hydro Disc W/ 160mm Rotor
Brake Levers: Tektro Hydraulic
Handlebar: All Terra 6061 Aluminum Riser, 685mm Width, 30mm Rise, 31.8mm Clamp
Stem: All Terra 1 1/8″ Threadless, 4-Bolt W/ CNC Face Plate, 10� Rise, 31.8mm Clamp
Grips: GT Statement
Headset: FSA NO.10 1 1/8″ Threadless, Zerostack
Saddle: All Terra Alloy QR
Seat Post: All Terra Alloy Micro-Adjust, 30.9mm
Seat Clamp: All Terra Alloy QR