X1 STEALTH

Lightweight mid drive conversion kit for ebikes and emtb

The X1 Stealth is the all new lightweight mid drive conversion system. With up to 1500W of power output, a small form factor, and a more silent performance, this is the ideal system for eBike & eMTB riders wanting a stealthy setup.

 

The X1 Stealth is complete with

- integrated torque sensor

- fully customizable mobile app

- various bottom bracket fitments

- 2 rider modes, with up to 9 assist gears

The best eBike & eMTB conversion kit for that natural riding feeling

 
 

SPECIFICATIONS

36-72 DCV (nominal) (10-20s Batteries)

>260 RPM

2000W

150 N.m.

>90%

Anodized Black

2.7kg

4.5kg

7075-T6

165mm or 170mm

190mm
FOC

Hall & temperature sensor

11/53 option with 32T bike chainring

11/63 option with 38T bike chainring

GENERAL

Rated Voltage

Max. RPM (at Crank)

Max. Rated Power

Max. Torque (at Crank)

Overall efficiency

Color

Weight (Motor & controller)

Total weight with crankset & BB

Bracket Materials

Crank Arm Length

Q Factor
Control Method

Motor Sensor

Chainring​

INCLUSIONS

Controller

Display

Throttle

Speed sensor

Wiring
Bottom Bracket

PAS sensor

Brake sensor

​ASI BAC855

500c or 750c APT display

Thumb or half-twist throttle

Magnetic sensor

Waterproof wire (Julet connector)
BSA threaded or pressfit option with additional spacers:
3, 5, & 7mm spacers for BSA threaded
2x 2mm spacers for pressfit

Integrated torque & cadence sensor

Magnetic sensor for all brakes (optional)

COMPATIBILITY

BSA Threaded Frames

Pressfit Frames

34.5mm bottom bracket diameter

68mm, 73mm, & 83mm width

41 bottom bracket diameter

92mm width

MOTOR

Motor type
No-load Motor kV

Stator lamination

Magnet

Efficiency (at 2N.m.)

Rated RPM (at 2 N.m.)

Epoxy sealed

BLDC Out-runner

150
0.2mm

N45UH (>180 °C)

>93%

>9000 RPM

Black epoxy potted stator

GEARBOX

First stage reduction

ratio

Second stage

Overall reduction ratio
from motor to crank

1:6 planetary gear
Hardened steel sun & ring gear

219H Chain

1:28.9 (11/53T)

1:34.4 (11/63T)

 
 
 
DIMENSIONS
X1 Stealth mid drive motor left side view

LEFT SIDE VIEW

Stealth Motor Dimensions.jpg

BSA THREADED BOTTOM BRACKET OPTION

PRESSFIT BOTTOM BRACKET OPTION

X1 Stealth ebike motor bottom bracket option for 68-83mm
X1 Stealth ebike motor bottom bracket option for BB92

BSA 83MM TOP VIEW

BB92 TOP VIEW