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Bike Comparison
    RUBY GX2025 CTM
    RUBY GX PRO2025 CTM
    MSRP
    ($2,547)
    ($2,779)
    Where to Buy
    —
    $1

    At

    —
    $1

    At

    Category
    		Trail, E-BikeTrail, E-Bike
    4.6
    4.7
    Frame
    		AluminumAluminum
    		Suntour XCM (coil)RockShox Judy Silver TK
    Wheels
    		AluminumAluminum
    Wheel Size
    		29″29″
    		Shimano Hydraulic DiscShimano Hydraulic Disc
    		Panasonic 250W 75Nm mid-drivePanasonic 250W 75Nm mid-drive
    		720Wh720Wh
    		CUESCUES
    Drivetrain
    		1 × 91 × 10
    Suspension
    		HardtailHardtail
    Front Travel
    		120mm120mm
    Brand Site

    ctm.sk

    ctm.sk

    Summary
    		The CTM RUBY GX and CTM RUBY GX PRO are both 29″ aluminum frame hardtail trail e-bikes with mid-range components. The RUBY GX PRO has a better fork.

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    Similar Bikes
    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    RUBY GX
    RUBY GX PRO
    Other Trail bikes
    Spec Level

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

    Geometry
    Specs
    RUBY GX2025 CTM
    RUBY GX PRO2025 CTM
    Frame

    ALU 6061, M, L

    ALU 6061, M, L

    Fork

    Suntour XCM32 LO, DS, 29" 120mm

    Travel: 120mm

    Spring Type: Coil

    Rock Shox JUDY SILVER TK, SA, 120mm, boost™ 15x110axle

    Travel: 120mm

    Headset

    NECO H153

    NECO H153

    Handlebar

    CTM N04M, 700/1" rise/31.8mm

    CTM N04M, 700/1" rise/31.8mm

    Saddle

    CTM Cloud WMN

    SR Vivo Unitech

    Seatpost

    CTM LCSP-53, 350/31.6 mm

    Type: Rigid

    CTM LCSP-53, 350/31.6 mm

    Type: Rigid

    Pedals

    VPE 537

    VPE 537

    Groupset
    Rear Derailleur

    Shimano CUES RD-U4000

    Shimano CUES RD-U6000GS

    Crank

    Samox 38T, 170mm

    Samox 38T, 170mm

    Shifters

    Shimano CUES SL-U4000/9sp.

    Shimano CUES SL-U6000/10sp.

    Chain

    KMC XGLIDE

    KMC XGLIDE

    Brakes

    Shimano MT200 / SMRT10M

    Type: Shimano Hydraulic Disc

    Shimano MT200 / SMRT10M

    Type: Shimano Hydraulic Disc

    Wheels
    Rims

    WTB ST i30 TCS 2.0 29" 32H

    WTB ST i30 TCS 2.0 29" 32H

    Front Hub

    Novatec D041DSB/D142TSE,32H,CL

    Novatec D041DSB,15mm/D142TSE,32H,CL

    Rear Hub

    Novatec D041DSB/D142TSE,32H,CL

    Novatec D041DSB,15mm/D142TSE,32H,CL

    Electric Components
    Motor

    PANASONIC GX Power plus / 250W / 75Nm

    PANASONIC GX Power plus / 250W / 75Nm

    Battery

    LG 720Wh / 36V / 20Ah

    LG 720Wh / 36V / 20Ah

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