ROTWILD - R.EXC ULTRA

🏍️ ROTWILD R.EXC ULTRA — 2026 Model Year

🔥 Extreme race-grade Enduro e-MTB — FOX Podium Factory Kashima 170mm (GRIP X2) + FOX DHX NEO LIVE, Shimano XTR Di2, and XTR ICE 203mm braking power
Powered by AVINOX M2S (up to 150Nm / 1300W) with a removable 864Wh battery and QR quick-release.

📦 General Information

◦ Model: ROTWILD R.EXC ULTRA (2026)
◦ Type: Enduro / All-Mountain Electric Mountain Bike (e-MTB)
◦ Frame: Polydynamic Carbon
◦ Approved Total Weight: ASTM4 — 130 kg

🦾 Frame & Suspension

◦ Frame: Polydynamic Carbon

◦ Front Fork: FOX Podium Factory (Kashima)
◦ Travel: 170 mm
◦ Damper: GRIP X2
◦ Adjustments: HSC / LSC / HSR / LSR

◦ Rear Shock: FOX DHX NEO LIVE
◦ Size: 205 × 60 mm
◦ Adjustments: Firm Mode + LSC
◦ Spring: SLS Spring
◦ Spring Rate by Size: M 500 lbs / L 550 lbs / XL 600 lbs

◦ Headset: ACROS RW EXC 1.5 – MOD
◦ Spec: 0° / mod56/56

⚡ Motor & Battery System

◦ Motor: AVINOX M2S
◦ Max Torque: 150 Nm
◦ Max Power: Up to 1300 W

◦ Battery: IPU900 Carbon – Push+
◦ Capacity: 864 Wh
◦ Voltage: 36 V
◦ Cell Type: 21700
◦ Battery Weight: 3,580 g
◦ Removal System: QR Button (quick-release)

⚙️ Drivetrain

◦ Crankset: e*thirteen Race Carbon
◦ Crank Length: 160 mm (M) / 165 mm (L/XL)
◦ Chainring: e*thirteen Direct Mount Chainring 34T
◦ Chain Guide: ROTWILD EXC

◦ Shifter: Shimano XTR Di2 9250
◦ Rear Derailleur: Shimano XTR Di2 9260 SGS
◦ Chain: Shimano HG 7100 (12-speed)
◦ Cassette: Shimano CS 9200 (12-speed) 10–51T

🛑 Braking System

◦ Front Brake: Shimano XTR 9220 (Fin Pad)
◦ Front Rotor: Shimano RT-MT905 ICE 203 mm
◦ Rear Brake: Shimano XTR 9220 (Fin Pad)
◦ Rear Rotor: Shimano RT-MT905 ICE 203 mm

🦿 Wheels & Tires

◦ Wheelset: Crankbrothers Synthesis Enduro Carbon

◦ Front Wheel: 31.5 mm internal / 110–20 mm / 6-bolt
◦ Rear Wheel: 29.5 mm internal / 148–12 mm / 6-bolt
◦ Rear Wheel Size: 27.5" (M/L) / 29" (XL)

◦ Front Tire: Schwalbe Tacky Chan Evo
◦ Spec: Super Trail / Ultra Soft / TLE / 29×2.4

◦ Rear Tire: Schwalbe Tacky Chan Evo
◦ Spec: Super Trail / Soft / TLE
◦ Size: 27.5×2.4 (M/L) / 29×2.4 (XL)

🧩 Cockpit

◦ Handlebar: ROTWILD B220 Carbon
◦ Rise: 15 mm
◦ Width: 780 mm

◦ Stem: ROTWILD S120
◦ Length: 35 mm

◦ Grips: Ergon GD10 Slim Factory Frozen

🪑 Seat & Seatpost

◦ Seatpost: 8PINS NGS2.0 (fully integrated in-frame)
◦ Travel: 192 mm (M) / 210 mm (L) / 228 mm (XL)
◦ Saddle: Ergon SM Enduro Comp

🔌 Accessories

◦ Charger: ROTWILD 7A High Power

💥 Key Highlights

◦ FOX Podium Factory Kashima 170mm with GRIP X2 — full high/low speed compression & rebound tuning
◦ FOX DHX NEO LIVE 205×60 — Firm mode + LSC + SLS spring (size-specific rates)
◦ AVINOX M2S: 150Nm torque + up to 1300W — race-level acceleration and climbing
◦ Shimano XTR Di2 — pro-grade electronic shifting + 10–51T climbing range
◦ Shimano XTR 9220 + ICE RT-MT905 203mm — powerful braking with heat management
◦ Crankbrothers Synthesis Enduro Carbon — light, stiff, and built to charge hard
◦ Schwalbe Tacky Chan Evo — enduro-level grip (Ultra Soft / Soft compounds)