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    HardFour2021 Haibike
    Recommended
    MSRP
    ($2,621)
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry, E-Bike
    Weight
    		44.1 lbs
    3.9
    Frame
    		Aluminum
    		Suntour XCR
    Wheels
    		Aluminum
    Wheel Size
    		24″
    		Tektro Hydraulic Disc
    		Yamaha 250W 60Nm mid-drive
    		Yamaha 400Wh
    		Altus
    Drivetrain
    		1 × 9
    Suspension
    		Hardtail
    Front Travel
    		63mm
    Brand Site

    haibike.com

    Summary
    		The Haibike HardFour is a 24″ aluminum frame hardtail crosscountry e-bike with modest components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    HardFour
    Other Crosscountry 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)

    21 mph

    HardFour

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    HardFour2021 Haibike
    Frame

    Haibike, HardFour, Aluminium 6061

    Color: Cool Grey / Red / Cyan

    Fork

    SR Suntour, XCR LO, Lockout, Steel spring, Travel= 63 mm, Steel steerer tube 1 1/8", Quick release 100mm

    Travel: 63mm

    Bottom Bracket

    Integrated in the motor

    Headset

    Feimin, A-Head Tapered, Ball bearing

    Stem

    Haibike Components, TheStem ++, A-head, Bar bore: 31.8 mm, 12.0 °

    Handlebar

    Haibike Components, TheBar + Topflat, 640 mm

    Saddle

    Haibike Components, TheSaddle Junior

    Seatpost

    Haibike Components, The Seatpost +, Aluminium, Patent, 31.6 mm

    Type: Rigid

    Pedals

    Wellgo, LU984DU

    Grips

    Haibike, MTB grips

    Groupset
    Rear Derailleur

    Shimano, Altus M2000

    Crank

    Steel, 32 teeth

    Shifters

    Shimano, Altus M2010, Rapidfire, 9 Speed

    Cassette

    Shimano, HG200, 11 - 36 teeth

    Chain

    KMC, X9

    Chain Guide

    Nylon dircetmount

    Brakes

    Tektro M282

    Type: Tektro Hydraulic Disc

    Brake Levers

    Tektro, M282, Aluminium

    Wheels
    Rims

    Rodi, FW Disc, with eyelets, hollow rim, Aluminium

    Spokes

    Sapim, Leader, Black

    Tires

    Schwalbe, Billy Bonkers, 50-507, 24" x 2.00"

    Electric Components
    Motor

    Yamaha, PW-TE System, 250W, 60 Nm, 20 km/h

    Battery

    Yamaha Lithium Ion 400Wh

    Display

    Yamaha, Side Switch, 1.7" LCD, 7 functions

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