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)