RotwildR.E850 Ultra
- Motor
- Shimano EP80185 Nm
- Battery
- 820 WhIPU850 / IPU820 Carbon, Push+ quick release
- Travel F / R
- 170 / 148 mm
- Wheels
- Mullet 29" / 27.5"
- Frame
- Carbon
- Weight
- 22.1 kgManufacturer figure (size M)
Overview
The Rotwild R.E850 Ultra (€10,990) is the top build of the R.E850: Shimano EP801 (85 Nm) with 820 Wh, FOX 36 Float Factory Kashima fork, FOX Float X Factory Kashima shock, SHIMANO XT Di2 8150 SGS and SHIMANO XT 8120 brakes. Claimed weight is 22.1 kg.
The R.E850 is Rotwild's carbon enduro e-MTB with a Shimano EP801 motor (85 Nm), updated for 2026 with a new 820 Wh battery (IPU850, 3,560 g, Push+ quick release, carbon housing).
It uses mixed wheels (29-inch front, 27.5-inch rear) with a 170 mm fork and 148 mm of rear travel, a 64.5° head angle and 440 mm chainstays. It comes in S to XL; claimed weights are 22.1 to 22.2 kg.
- Shimano EP801, 85 Nm
- 820 Wh battery, Push+ quick release
- 170 / 148 mm travel, mullet wheels
- 64.5° head angle
Gallery
Photos: Rotwild
Full specifications
Frame & suspension
- Sizes
- S, M, L, XL
- Frame
- High Modulus Carbon, Carbon Linkage
- Rear shock
- FOX Float X Factory Kashima, 210 x 55 mm / 2-Pos Adjust
- Headset
- ACROS RW735 1.5
- Fork
- FOX 36 Float Factory Kashima, 170 mm / Grip2 / HSC/LSC / HSR/LSR
- Colour
- Black
- Max. system weight
- ASTM4 - 130 kg
E-system
- Display
- SHIMANO EM800
- Motor
- SHIMANO EP801, 85 Nm / max. 600 W
- Battery
- IPU820 Carbon - Push+, 820 Wh / 36 V / 21.700 Cell / 3.560 g / QR-Button
- Charger
- ROTWILD - 4.5 A
Drivetrain
- Crankset
- e*thirteen Race Carbon, 160 mm (S) / 165 (M/L/XL)
- Chainring
- e*thirteen Direct Mount Chainring, 34 T.
- Chain guide
- e*thirteen Plus
- Shifter
- SHIMANO XT Di2 8150, I-Spec EV
- Rear derailleur
- SHIMANO XT Di2 8150 SGS
- Chain
- SHIMANO HG 7100, 12-Speed
- Cassette
- SHIMANO CS 7100, 10-51 T. / 12-Speed
Brakes
- Front brake
- SHIMANO XT 8120, Fin Pad
- Front rotor
- SHIMANO RT-MT800, ICE / 203 mm
- Rear brake
- SHIMANO XT 8120, Fin Pad
- Rear rotor
- SHIMANO RT-EM810, ICE / 203 mm
Wheels & tyres
- Front Wheel
- CRANKBROTHERS Synthesis Enduro I9 Carbon, 31.5 mm Width / 110-15 mm / 6-Bolt
- Rear Wheel
- CRANKBROTHERS Synthesis Enduro I9 Carbon, 29.5 mm Width / 148-12 mm / 6-Bolt
- Front tyre
- SCHWALBE Magic Mary Evo, Super Ground / Soft / TLE / 29x2.4
- Rear tyre
- SCHWALBE Hans Dampf Evo, Super Trail / Soft / TLE / 27.5x2.6
Cockpit
- Handlebar
- e*thirteen Race Carbon, 20 mm Rise / 780 mm Width
- Stem
- e*thirteen Plus 35, 50 mm Length
- Seatpost
- 8PINS H01, up to 200 mm (XL)
- Saddle
- ERGON SM Enduro Comp
- Grips
- ERGON GD10, Slim Factory Frozen
Other
- Weight
- 22.1 kg (size M)
Manufacturer specification — source. Specs and prices can change; check with the brand or your dealer.
R.E850 geometry
| Size | S | M | L | XL |
|---|---|---|---|---|
| ASeat Tube Length | 410 mm | 440 mm | 470 mm | 506 mm |
| BTop Tube Length | 600 mm | 621 mm | 650 mm | 678 mm |
| CHead Tube Length | 110 mm | 110 mm | 130 mm | 140 mm |
| DChain Stay Length | 440 mm | 440 mm | 440 mm | 440 mm |
| EBB Height | 353 mm | 353 mm | 353 mm | 353 mm |
| FBB Drop | 13 mm | 13 mm | 13 mm | 13 mm |
| GHead Tube Angle | 64.5° | 64.5° | 64.5° | 64.5° |
| HSeat Tube Angle | 74° | 74° | 74° | 74° |
| IReach | 420 mm | 440 mm | 465 mm | 490 mm |
| JStack | 633 mm | 633 mm | 651 mm | 661 mm |
| KWheel Base | 1199 mm | 1219 mm | 1253 mm | 1282 mm |
| LStandover | 737 mm | 737 mm | 737 mm | 737 mm |
Source: Rotwild.
R.E850: builds compared
R.E850 range →| R.E850 Core | R.E850 Ultra | |
|---|---|---|
| Price | €8,990 | €10,990 |
| Frame | Carbon | Carbon |
| Fork | FOX 36 Float Performance, 170 mm / Grip / 3-Pos | FOX 36 Float Factory Kashima, 170 mm / Grip2 / HSC/LSC / HSR/LSR |
| Shock | FOX Float X Performance | FOX Float X Factory Kashima |
| Derailleur | SHIMANO XT 8100 SGS | SHIMANO XT Di2 8150 SGS |
| Brakes | MAGURA MT5 | SHIMANO XT 8120 |
| Wheels | CRANKBROTHERS Synthesis Enduro | CRANKBROTHERS Synthesis Enduro I9 Carbon |
| Display | SHIMANO EM800 | SHIMANO EM800 |
| Weight | 22.2 kg | 22.1 kg |
R.E850 Ultra: FAQ
How much does the Rotwild R.E850 Ultra cost?
€10,990 (MSRP Germany, VAT incl.). The R.E850 range runs from €8,990 (R.E850 Core) to €10,990 (R.E850 Ultra). Prices vary by country and dealer.
How much does the Rotwild R.E850 Ultra weigh?
Rotwild quotes 22.1 kg. It is the lightest build of the R.E850.
What motor and battery does the Rotwild R.E850 Ultra have?
Shimano EP801 (85 Nm). 820 Wh battery — iPU850 / IPU820 Carbon, Push+ quick release.
How much suspension travel does the Rotwild R.E850 Ultra have?
170 mm at the fork and 148 mm at the rear, on mullet 29" / 27.5" wheels.
What sizes does the Rotwild R.E850 Ultra come in?
S, M, L, XL. Check the geometry table to compare reach and stack between sizes.
What is the difference between the R.E850 Ultra and the R.E850 Core?
They share the R.E850 frame platform and motor; the differences are in the parts — fork: FOX 36 Float Factory Kashima vs FOX 36 Float Performance; shock: FOX Float X Factory Kashima vs FOX Float X Performance; derailleur: SHIMANO XT Di2 8150 SGS vs SHIMANO XT 8100 SGS; brakes: SHIMANO XT 8120 vs MAGURA MT5; claimed weight: 22.1 kg vs 22.2 kg; price: €10,990 vs €8,990.
