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    Cortex GX Eagle2021 Sonder
    Recommended
    MSRP
    $2,999
    Where to Buy
    —
    $1

    At

    Category
    		Trail
    5.9
    Frame
    		Aluminum
    		Cane Creek HELM
    		RockShox Deluxe Select+
    Wheels
    		Aluminum
    Wheel Size
    		29″
    		Avid Hydraulic Disc
    		GX Eagle
    Drivetrain
    		1 × 12
    Suspension
    		Full
    Front Travel
    		130mm
    Rear Travel
    		120mm
    Brand Site

    us.alpkit.com

    Summary
    		The Sonder Cortex GX Eagle is a 29″ aluminum frame full suspension trail bike with high-end components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Cortex GX Eagle
    Other Trail bikes
    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)

    28 mph

    Cortex GX Eagle

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Cortex GX Eagle2021 Sonder
    Frame

    Aluminum

    BB Standard: BSA, 73mm, Threaded

    Fork

    Cane Creek Helm MK2 Air, 51mm offset

    Travel: 130mm

    Spring Type: Air

    Shock

    RockShox Deluxe Select+, 190mm x 45mm

    Travel: 120mm

    Bottom Bracket

    SRAM DUB, 73mm English/BSA threaded

    Headset

    Love Mud Rumour, ZS44/28.6 upper, ZS56/40 lower

    Stem

    Love Mud Piskie, 35mm length, 31.8mm bar clamp

    Handlebar

    Sonder Aspect Riser, 31.8mm clamp diameter

    Saddle

    Sonder Abode

    Seatpost

    X-Fusion Manic dropper, X-Fusion remote lever, 125mm drop

    Type: Dropper

    Pedals

    None

    Grips

    WTB Wafel

    Groupset
    Rear Derailleur

    SRAM GX Eagle, 12-speed

    Front Derailleur

    None

    Crank

    SRAM GX Eagle DUB, 170mm length

    Shifters

    SRAM GX Eagle, 12-speed

    Cassette

    SRAM GX Eagle XG-1275, 12-speed, 10-50 tooth

    Chain

    SRAM GX Eagle, 12-speed

    Chain Guide

    None

    Brakes

    SRAM Guide R, 4-piston, Avid CenterLine rotors (180mm front, 160mm rear)

    Type: Avid Hydraulic Disc

    Brake Levers

    SRAM Guide R

    Wheels
    Rims

    Sonder Alpha wheelset

    Spokes

    Sonder Alpha wheelset

    Front Hub

    Sonder Alpha wheelset, 110x15mm Boost front, 148x12mm Boost rear with XD driver

    Rear Hub

    Sonder Alpha wheelset, 110x15mm Boost front, 148x12mm Boost rear with XD driver

    Tires

    Front: WTB Vigilante, Light/High Grip, 29" x 2.5", Rear: WTB Trail Boss, Tough/Fast Rolling, 29" x 2.4"

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