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Item #: 332956107

The Avalanche is one of the longest running GT models and for good reason. The GT Avalanche Comp is certainly not short on features. With a high-end aluminum frame and modern geometry, you will be able to be out riding hard without busting your wallet. With reliable Shimano components and hydraulic disc brakes to provide consistent stopping power, you’ll be wanting more after each ride.

The Avalanche Comp model provides an upgrade from the entry-level Sport model with an upgraded component set but still priced at a point that won’t break the bank.  This GT Avalanche Comp Model comes with a 27.5" wheel - some say it’s the perfect balance between traditional 26" tires and larger 29" tires because it combines the best of both worlds: nimble and playful handling, quick acceleration and decent rollover capabilities.


  • Progressive Geometry provides a longer Front Center for better balance, better climbing traction, and dialed-in descending control
  • 100mm Fork to provide comfort on those long rides
  • Hydroformed Alloy Triple Triangle frame for a lightweight and durable ride


  • Frame: All New 6061 T6 Aluminum Frame, w/ Triple Triangle™, Replaceable Derailleur Hanger, Disc Brake Mounts, and Zerostack tapered  1 1/8-1 1/2Head Tube, 27.5 Design
  • Rear Shock: N/A
  • Fork: SR Suntour XCM-HLO  w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Hydraulic Lockout, QR, For 27.5
  • Internal Cable Routing: N/A
  • Rear Derailleur: Shimano, Deore, RD-M592-SGS
  • Front Derailleur: Shimano Acera, FD-T3000
  • Shifters: Shimano Alivio, SL-M4000
  • Cog Set: Sunrace CS-M98, 11-36T, 9-Speed Cassette
  • Chain: KMC Z99
  • Crankset: All-Terra V-401, 44/32/22T
  • Bottom Bracket: VP Cartridge Sealed
  • Front Brake: Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26
  • Rear Brake:Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26
  • Brake Levers: Shimano Hydraulic Disc Brake Lever
  • Headset: Intergrated seal bearing, 1-1/8” UPPER + 1-1/2” LOWER
  • Seatpost: All Terra Alloy Micro-Adjust, 30.9mm
  • Handlebar: 6061 Aluminum Riser, 680mm Width, 12mm Rise, 31.8mm Clamp, Double Butted
  • Stem: All Terra 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10° Rise for 27.5; 5° Rise for 29, 31.8mm Clamp
  • Saddle: All Terra MTB
  • Pedals: GT Slim Line Flat Nylon Pedal
  • Grips: GT Statement
  • Rims: All Terra Double Wall, 32H 27.5, disc specific
  • Front Tire: All Terra Cypher, 30tpi, 27.5X2.10"
  • Rear Tire: All Terra Cypher, 30tpi, 27.5X2.10"
  • Tubeless Ready: No
  • Front Hub: Alloy QR
  • Rear Hub: Alloy Freewheel QR
  • Top Tube: Small - 585mm / Medium - 610mm / Large - 638mm
  • Seat Tube: Small - 380mm / Medium - 430mm / Large - 485mm
  • Stack : Small - 577mm / Medium - 582mm / Large - 589mm
  • Reach : Small - 405mm / Medium - 429mm / Large - 454mm
  • Standover Height : Small - 721mm / Medium - 757mm / Large - 794mm
  • Head Tube Angle: 69.5°
  • Seat Tube Angle: 72.7°
  • Chainstay Length: Small - 435mm / Medium - 435mm / Large - 435mm
  • Bottom Bracket Drop: Small - 45mm / Medium - 45mm / Large - 45mm
  • Head Tube Length: Small - 95mm / Medium - 100mm / Large - 108mm
  • Wheelbase: Small - 1082mm / Medium - 1107mm / Large - 1135mm


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