Bike Comparison
    MSRP
    $649
    $749
    $749
    Where to Buy
    $1

    At

    $1

    At

    $1

    At

    Category
    CrosscountryCrosscountryCrosscountry
    3.2
    3.5
    3.5
    AluminumAluminumAluminum
    Fork
    Suntour XCTSuntour XCMSuntour XCM
    Wheels
    AluminumAluminumAluminum
    27.5″27.5″27.5″
    Brakes
    Hydraulic DiscHydraulic DiscHydraulic Disc
    Groupset
    Alivio, AltusDeore, AceraDeore, Acera
    Drivetrain
    3 × 93 × 93 × 9
    Suspension
    HardtailHardtailHardtail
    Front Travel
    100mm100mm100mm
    Brand Site

    gtbicycles.com

    gtbicycles.com

    gtbicycles.com

    Summary
    The GT Avalanche Sport, GT Avalanche Comp, and GT Avalanche Comp GTw are all 27.5″ aluminum frame hardtail crosscountry bikes.
    Similar Bikes
    Accessories
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    33 mph

    Avalanche Sport

    33 mph

    Avalanche Comp

    33 mph

    Avalanche Comp GTw

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    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, 27.5/29 Design

    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, 27.5/29 Design

    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

    Fork

    SR Suntour XCT-HLO w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Hydraulic Lockout, QR, For 27.5 or 29"

    Travel100mm

    Spring TypeCoil

    SR Suntour XCM-HLO w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Hydraulic Lockout, QR, For 27.5 or 29

    Travel100mm

    Spring TypeCoil

    SR Suntour XCM-HLO w/ 100mm Travel, Steel Stanchions, Aluminum Leg, Post Mount Disc Brake, Hydraulic Lockout, QR, For 27.5

    Travel100mm

    Spring TypeCoil

    Bottom Bracket

    VP Cartridge Sealed

    VP Cartridge Sealed

    Cartridge Sealed

    Headset

    Intergrated seal bearing, 1-1/8? UPPER + 1-1/2? LOWER

    Intergrated seal bearing, 1-1/8? UPPER + 1-1/2? LOWER

    Intergrated seal bearing, 1-1/8? UPPER + 1-1/2? LOWER

    Stem

    All Terra 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10? Rise, 31.8mm Clamp

    All Terra 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10? Rise for 27.5; 5? Rise for 29, 31.8mm Clamp

    All Terra 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10? Rise, 31.8mm Clamp

    Handlebar

    6061 Aluminum Riser, 680mm Width, 12mm Rise, 31.8mm Clamp, Double Butted

    6061 Aluminum Riser, 680mm Width, 12mm Rise, 31.8mm Clamp, Double Butted

    6061 Aluminum Riser, 680mm Width, 12mm Rise, 31.8mm Clamp, Double Butted

    Saddle

    All Terra MTB

    All Terra MTB

    GT Ladies MTB

    Seatpost

    All Terra Alloy Micro-Adjust, 30.9mm

    All Terra Alloy Micro-Adjust, 30.9mm

    All Terra Alloy Micro-Adjust, 30.9mm

    Pedals

    GT Slim Line Flat Nylon Pedal

    GT Slim Line Flat Nylon Pedal

    GT Slim Line Flat Pedal

    Grips

    GT Statement

    GT Statement

    GT Statement

    Groupset
    Rear Derailleur

    Shimano, Alivio, RD-M4000

    Shimano, Deore, RD-M592-SGS

    Shimano, Deore, RD-M592-SGS

    Front Derailleur

    Shimano Altus FD-M370

    Shimano Acera, FD-T3000

    Shimano Acera, FD-T3000

    Crank

    All-Terra V-401, 44/32/22T

    All-Terra V-401, 44/32/22T

    All-Terra V-401, 44/32/22T

    Shifters

    Shimano SL-M2000, Rapid Fire

    Shimano Alivio, SL-M4000

    Shimano Alivio, SL-M4000

    Cassette

    Sunrace CS-M90, 11-34T, 9-Speed Cassette

    Sunrace CS-M98, 11-36T, 9-Speed Cassette

    Sunrace CS-M98, 11-36T, 9-Speed Cassette

    Chain

    KMC Z99

    KMC Z99

    KMC Z99

    Brakes

    (F) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26, (R) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26

    (F) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26, (R) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26

    (F) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26, (R) Shimano BR-M315, Hydraulic Disc, W/ 160mm Rotor SM-RT26

    Brake Levers

    Shimano Hydraulic Disc Brake Lever

    Shimano Hydraulic Disc Brake Lever

    Shimano Hydraulic Disc Brake Lever

    Wheels
    Rims

    All Terra Double Wall, 32H 27.5/29, disc specific

    All Terra Double Wall, 32H 27.5/29, disc specific

    All Terra ASD10-27.5 Double Wall, 32H 27.5, disc specific

    Front Hub

    (F) Alloy Disc hub, W/ Quick Release, (R) Alloy Cassette Disc hub, W/ Quick Release

    (F) Alloy Disc hub, W/ Quick Release, (R) Alloy Cassette Disc hub, W/ Quick Release

    (F) Alloy Disc, W/ Quick Release, (R) Alloy Cassette Disc, W/ Quick Release

    Tires

    All Terra Cypher, 30tpi, 27.5/29X2.10" (F/R)

    All Terra Cypher, 30tpi, 27.5/29X2.10" (F/R)

    All Terra Cypher 27.5X2.10" (F/R)

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