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    MSRP
    ($14,314)
    Where to Buy
    $1

    At

    Category
    Enduro, E-Bike
    9.7
    Frame
    Carbon
    Fox Factory Float 36
    Fox Float X Factory
    Wheels
    Carbon
    Wheel Size
    29″ / 27.5″
    SRAM Maven Silver Hydraulic Disc
    Avinox 1000W 105Nm mid-drive
    864Wh
    X0 Eagle Transmission
    Drivetrain
    1 × 12 Electronic
    Suspension
    Full
    Front Travel
    160mm
    Rear Travel
    150mm
    Brand Site

    rotwild.com

    Summary
    The Rotwild R.EX ULTRA is a 29″ / 27.5″ carbon frame full suspension enduro e-bike with ultra high-end components.

    Ask 99 Spokes

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    R.EX ULTRA
    Other Enduro 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

    R.EX ULTRA

    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

    Polydynamic Carbon

    Hanger StandardUDH

    Tire Clearance2.6"

    Fork

    FOX 36 Float Factory Kashima, 160 mm / Grip X / HSC/LSC / LSR

    Travel160mm

    Spring TypeAir

    Shock

    FOX Float X Factory Kashima, 185 x 55 mm / 2-Pos Adjust

    Travel150mm

    Headset

    ACROS RW EXC 1.5 - MOD, 0° / mod56/56

    Stem

    ROTWILD S120, 35 mm Length

    Handlebar

    ROTWILD B220 Carbon, 15 mm Rise / 780 mm Width

    Saddle

    ERGON SM Pro

    Seatpost

    8PINS NGS2.0, Fully integrated, 192 mm (M), 210 mm (L), 228 mm (XL)

    TypeDropper

    Grips

    ERGON GD10, Slim Factory Frozen

    Groupset
    Rear Derailleur

    SRAM X0 Eagle Transmission AXS

    Crank

    e*thirteen Race Carbon, 165 mm (M/L) / 170 mm (XL)

    Shifters

    SRAM AXS Pod

    Cassette

    SRAM GX Eagle XS 1275, 10-52 T. / 12-Speed

    Chain

    SRAM X0 Eagle Transmission, 12-Speed

    Chain Guide

    ROTWILD EXC

    Brakes

    Front: SRAM Maven Silver, Rear: SRAM Maven Silver

    TypeSRAM Maven Silver Hydraulic Disc

    Wheels
    Rims

    Front: CRANKBROTHERS Synthesis Enduro Carbon, 31.5 mm Width / 110-15 mm / 6-Bolt, Rear: CRANKBROTHERS Synthesis Enduro Carbon, 29.5 mm Width / 148-12 mm / 6-Bolt

    Tires

    Front: SCHWALBE Albert Evo, Trail / Soft / TLE / 29x2.5, Rear: SCHWALBE Albert Evo, Trail / Soft / TLE / 27.5x2.5

    Disc Rotors

    SRAM HS2, 200 mm

    Electric Components
    Motor

    AVINOX M1.24, 105 Nm / max. 1000 W

    Battery

    IPU900 Carbon - Push+, 864 Wh / 36 V / 21.700 Cell / 3.580 g / QR-Button

    Charger

    ROTWILD - 7 A High Power

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