Rotwild R.EX ULTRA
Product information
High-End E-Mountainbike with DJI Avinox System – Premium Trail Performance
Experience cutting-edge technology and top-tier trail performance. This high-end e-MTB is built for demanding terrain and ambitious riders – featuring the powerful DJI Avinox drive system, hand-crafted carbon frame, and top-level components.
Frame & Suspension
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Frame: Poly Dynamic Carbon, handcrafted from high-modulus carbon fibers
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Travel: 160 mm (front) / 150 mm (rear)
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Shock: FOX Float X Factory Kashima, 185 x 55 mm, 2-position adjust
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Fork: FOX 36 Float Factory Kashima, 160 mm, Grip X with HSC/LSC/LSR
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Kinematics: Mid-High Pivot with UDH dropout
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Max System Weight: ASTM 4 – up to 130 kg
Motor System – DJI Avinox
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Motor: DJI Avinox M1.24, 105 Nm, 4 assist modes including Boost, fully configurable
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Battery: DJI IPU900 Carbon, 864 Wh, 36 V, 21,700 cells, 3,580 g
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Charger: 7A High Power
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Quick Release: Push+ with QR button
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Crankset: e*thirteen Race Carbon – 165 mm (M/L), 170 mm (XL)
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Chainring: e*thirteen Spider with SRAM 34T
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Chainguide: ROTWILD EXC Chainguide
Drivetrain – Wireless & Precise
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Rear Derailleur: SRAM X0 Eagle Transmission AXS
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Shifter: SRAM AXS Pod Controller
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Cassette: SRAM X0 Eagle XS-1275, 10-52T, 12-speed
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Chain: SRAM X0 Eagle Transmission
Brakes – Ultimate Control
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Front: SRAM Maven Silver with 200 mm HS2 rotor
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Rear: SRAM Maven Silver with 200 mm HS2 rotor
Wheels & Tires – Mullet Setup
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Front Wheel: CRANKBROTHERS Synthesis Enduro Carbon, 31.5 mm inner width, 29", 110-15 mm
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Rear Wheel: CRANKBROTHERS Synthesis Enduro Carbon, 29.5 mm inner width, 27.5", 148-12 mm
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Front Tire: SCHWALBE Albert Evo Trail, Soft/TLE, 29 x 2.5
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Rear Tire: SCHWALBE Albert Evo Trail, Soft/TLE, 27.5 x 2.5
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Wheel Concept: Mullet Setup (29" front / 27.5" rear)
Cockpit & Ergonomics
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Handlebar: ROTWILD B220 Carbon, 15 mm rise, 780 mm width
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Stem: ROTWILD S120, 35 mm
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Grips: ERGON GD10 Slim Factory Frozen
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Seatpost: Integrated 8PINS NGS3.0, up to 225 mm (size XL)
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Saddle: ERGON SM Pro
Additional Specs
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Bike Weight: approx. 21.7 kg
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Sizes Available: M / L / XL
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Highlights:
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Handcrafted carbon frame
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High-performance DJI Avinox motor
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Fully integrated dropper post
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Mullet wheel configuration
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Premium FOX Kashima suspension
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Sport Gardena is a specialized Rotwild dealer and Rotwild Service Partner. Buy your electric mountain bike in our online shop or directly in the shop on site. Contact us for your purchase advice.
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