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    Tonga2026 Stevens
    Recommended
    MSRP
    ($867)
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    Weight
    		31.5 lbs
    3.9
    Frame
    		Aluminum
    		Suntour XCM
    Wheels
    		Aluminum
    Wheel Size
    		27.5″
    		Tektro Hydraulic Disc
    		CUES
    Drivetrain
    		2 × 9
    Suspension
    		Hardtail
    Front Travel
    		100mm
    Brand Site

    stevensbikes.de

    Summary
    		The Stevens Tonga is a 27.5″ aluminum frame hardtail crosscountry bike with upper mid-range components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Tonga
    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)

    27 mph

    Tonga

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Tonga2026 Stevens
    Frame

    Aluminium 6061, O.L.D.: 135 mm, Brake: IS disc, BB: BSA 73 mm, Front derailleur mount: clamp, Cable routing: external, Rack mounts

    BB Standard: BSA, 73mm, Threaded

    Colors: Bitter Lemon; Blue Turquoise

    Fork

    SR Suntour XCM DS, Travel: 100 mm, Coil spring, Steerer 1 1/8", O.L.D.: 100 mm, Brake: postmount disc 6"

    Travel: 100mm

    Spring Type: Coil

    Bottom Bracket

    BSA, 73mm, threaded

    Headset

    STEVENS MTB 1 1/8", Upper bearing cup: ZS44/28.6, Lower bearing cup: ZS44/30

    Stem

    Oxygen Driver, Handlebar clamp: 31.8 mm, Angle: 6°

    Handlebar

    Oxygen Driver, Width: 740 mm, Backsweep: 9°, Rise: 25.4 mm, Clamp: 31.8 mm

    Saddle

    Oxygen Havoc

    Seatpost

    Oxygen Driver, Length: 350 mm, Diameter: 27.2 mm, Insertion depth: min. 100 mm

    Type: Rigid

    Pedals

    ATB Pro Reflex

    Groupset
    Rear Derailleur

    Shimano CUES U4000 Shadow, RD-U3020-SGS, 9-speed, Total capacity: 41 T

    Front Derailleur

    Shimano CUES U4000, FD-U4000-LM4, 2-speed

    Crank

    Shimano CUES U4000, Shimano FC-U4010-2, 36-22 T, 2-Piece

    Shifters

    Shimano CUES U4000, SL-U4000-L, 2-speed

    Cassette

    Shimano CS-LG300-9, 9-speed, Combination: 11-13-15-17-20-23-26-30-36 T

    Chain

    Shimano CN-LG500 | 29": Shimano CN-HG53, LINKGLIDE

    Brakes

    Tektro HD-T275, Hydraulic disc brake

    Type: Tektro Hydraulic Disc

    Brake Levers

    Tektro HD-T275, 3 finger

    Wheels
    Rims

    Oxygen RM-M19, ETRTO: 27.5": 19 x 584 | 29": 19 x 622

    Front Hub

    Formula CL-51, Axle: QR5x100 mm

    Rear Hub

    Formula CL-52, Axle: QR5x135 mm

    Tires

    Schwalbe Smart Sam Active-Line, Tire size: 27.5": 57-584 | 29": 57-622, SBC compound, KevlarGuard

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