R.X375 | ROTWILD Bikes

Facts

150 mm / 140 mm 29" / 29" IPU375 Carbon 360 Wh / 36 V / 21.700 Cell / 2.000 g / QR-Button Shimano EP8 19.1 kg (Ultra)

The Trail King

Aggressive. Lightweight. Agile. Our R.X375 brings the essence of mountain biking back to eMTB sports. Made for those who love the riding dynamics and performance of an analog mountain bike but don't want to forego an electric drive for that extra lap. Agility and liveliness are two core competencies, which is why we have made our trail king, the R.X375, particularly light.

“Outstanding. This is what an EMTB should be like: agile, with full power when needed.”

MountainBike 2021

FEATURES

High Modulus Carbon

The handcrafted full carbon frame made of high modulus fiber with optimized carbon layer layup offers higher stiffness values at low weight. The linkage and shock absorber yoke are also made entirely of carbon.

ROTWILD IPU375

The target group-specific energy storage device impresses with a battery capacity of 360 Wh and high-performance cell technology (type 21700/5.0 Ah) at a minimal, low-positioned weight of 1.9 kg thanks to the weight-optimized, handcrafted carbon housing.

Quick Release

The battery of the IPU375 can be unlocked in seconds at the touch of a button and easily removed. The button can be locked with an additional screw to prevent theft.

Shimano EP8

The Shimano motor guarantees maximum acceleration and efficient pedaling with a natural riding feel. It weighs just under 2.500 g, has 85 Nm, low pedaling resistance, high motor efficiency with low noise levels, and seamless fade-out/fade-in at the assistance limit. The assistance mode can also be configured using three different characteristic maps.

„This is one of if not the most versatile electric mountain bikes on the market”

Sam’s Bikes, Youtube 2023

Geometry

Frame Size	S	M	L	XL
ASeat Tube Length (mm)	410	440	470	506
BTop Tube Length (mm)	590	610	640	667
CHead Tube Length (mm)	110	110	130	140
DChain Stay Length (mm)	450	450	450	450
EBB Height (mm)	345	345	345	345
FBB Drop (mm)	30	30	30	30
GHead Tube Angle (°)	66,5	66,5	66,5	66,5
HSeat Tube Angle (°)	75,5	75,5	75,5	75,5
IReach (mm)	430	450	475	500
JStack (mm)	618	620	636	645
KWheel Base (mm)	1184	1205	1237	1266
LStandover (mm)	730	730	730	730

“The small 375 battery provides enough power for longer trips.”“

EMTB 2023

Builds

R.X375 CORE

R.X375 PRO

R.X375 ULTRA

Show differences

R.X375 CORE

R.X375 PRO

R.X375 ULTRA

Show differences

R.X375 CORE

R.X375 PRO

R.X375 ULTRA

MSRP

6.490 EUR

7.490 EUR

8.990 EUR

Frame

High Modulus Carbon

Carbon Linkage

High Modulus Carbon

Carbon Linkage

High Modulus Carbon

Carbon Linkage

Rear Shock

FOX Float DPS Performance

210 x 50 mm / 3-POS

FOX Float DPS Performance

210 x 50 mm / 3-POS

FOX Float DPS Factory Kashima

210 x 50 mm / 3-Pos Adjust

Headset

ACROS RW375 1.5

Fork

FOX 36 Float Performance

150 mm / Fit Grip 3-POS Micro Adjust/ E-Tuned

FOX 36 Float Performance Elite

150 mm / Fit4 / 3-Pos Adjust

FOX 36 Float Factory Kashima

150 mm / Fit4 / 3-Pos Adjust

Handlebar

e*thirteen Plus

∅ 35 mm / 20 mm Rise / 780 mm Width / AL7050

e*thirteen Plus

∅ 35 mm / 20 mm Rise / 780 mm Width / AL7050

e*thirteen Race Carbon

∅ 35 mm / 20 mm Rise / 780 mm Width / Carbon

Stem

e*thirteen Plus 35

50 mm Length / AL7050

e*thirteen Plus 35

50 mm Length / AL7050

e*thirteen Plus 35

50 mm Length / AL7050

Display

SHIMANO EM800

Seat post

8PINS H01

Ø34.9 mm / 25 mm Offset / 145 mm (S) / 160 mm (M) / 180 mm (L) / 200 mm (XL)

8PINS H01

Ø34.9 mm / 25 mm Offset / 145 mm (S) / 160 mm (M) / 180 mm (L) / 200 mm (XL)

8PINS NGS 2

Ø34.9 mm / 25 mm Offset / 170 mm (S) / 190 mm (M) / 210 mm (L) / 230 mm (XL)

Saddle

ERGON SM10 Stealth

ERGON SM Pro

Grips

ERGON GD10

Slim Factory Frozen

ERGON GD10

Slim Factory Frozen

ERGON GD10

Slim Factory Frozen

Motor

SHIMANO EP8

85 Nm / max. 600 W

SHIMANO EP8

85 Nm / max. 600 W

SHIMANO EP8

85 Nm / max. 600 W

Battery

IPU375 Carbon

360 Wh / 36 V / 21.700 Cell / 2.000 g / QR-Button

IPU375 Carbon

360 Wh / 36 V / 21.700 Cell / 2.000 g / QR-Button

IPU375 Carbon

360 Wh / 36 V / 21.700 Cell / 2.000 g / QR-Button

Charger

ROTWILD - 4.5 A

Crankset

e*thirteen Plus

160 mm (S) / 165 mm (M, L) / 170 mm (XL)

e*thirteen Plus

160 mm (S) / 165 mm (M, L) / 170 mm (XL)

e*thirteen Race Carbon

165 mm (S, M, L) / 170 mm (XL)

Chainring

e*thirteen Direct Mount Chainring

34 T.

e*thirteen Direct Mount Chainring

34 T.

e*thirteen Direct Mount Chainring

34 T.

Chain guide

e*thirteen TRS

Rear Shifter

SHIMANO XT 8100

I-Spec EV

SHIMANO XT 8100

I-Spec EV

SHIMANO XTR 9100

I-Spec EV

Rear derailleur

SHIMANO XT 8100

12-Speed / SGS / Hyperglide+

SHIMANO XT 8100

12-Speed / SGS / Hyperglide+

SHIMANO XTR 9100 SGS

12-Speed / Hyperglide +

Chain

SHIMANO HG 7100

12-Speed

SHIMANO HG 7100

12-Speed

SHIMANO HG 7100

12-Speed

Cassette

SHIMANO CS 6100

10-51 T. / 12-Speed

SHIMANO CS 7100

10-51 T. / 12-Speed

SHIMANO CS 9100

10-51 T. / 12-Speed

Front Brake

MAGURA MT5

HC-W

SHIMANO XT 8120

Fin Pad

SHIMANO XTR 9120

Fin Pad

Front Brake Rotor

MAGURA MDR-P

203 mm

SHIMANO RT-MT800

ICE / 203 mm

SHIMANO RT-MT900

ICE / 203 mm

Rear Brake

MAGURA MT5

HC-W Shiftmix

SHIMANO XT 8120

Fin Pad

SHIMANO XTR 9120

Fin Pad

Rear Brake Rotor

MAGURA MDR-P

180 mm

SHIMANO RT-EM810

ICE / 180 mm

SHIMANO RT-MT910

ICE / 180 mm

Front Wheel

CRANKBROTHERS Synthesis Enduro

31.5 mm Width / 110-15 mm / 6-Bolt

CRANKBROTHERS Synthesis Enduro I9

31.5 mm Width / 110-15 mm / Centerlock

CRANKBROTHERS Synthesis Enduro I9 Carbon

29" / 31.5 mm / 110-15 mm / Centerlock

Rear Wheel

CRANKBROTHERS Synthesis Enduro

29.5 mm Width / 148-12 mm / 6-Bolt

CRANKBROTHERS Synthesis Enduro I9

29.5 mm Width / 148-12 mm / Centerlock

CRANKBROTHERS Synthesis Enduro I9 Carbon

29" / 29.5 mm Width / 148-12 mm / Centerlock

Front Tire

SCHWALBE Nobby Nic Evo

Super Ground / Soft / TLE / 29x2.4

SCHWALBE Nobby Nic Evo

Super Ground / Soft / TLE / 29x2.4

SCHWALBE Nobby Nic Evo

Super Ground / Soft / TLE / 29x2.4

Rear Tire

SCHWALBE Nobby Nic Evo

Super Ground / Speedgrip / TLE / 29x2.4

SCHWALBE Nobby Nic Evo

Super Ground / Speedgrip / TLE / 29x2.4

SCHWALBE Nobby Nic Evo

Super Ground / Speedgrip / TLE / 29x2.4

Color

RED METALLIC

Bike weight (Frame size M)

19.8 kg

19.5 kg

19.1 kg

Adm. total weight

ASTM4 - 130 kg

R.X375 CORE

R.X375 PRO

R.X375 ULTRA