X1 STEALTH

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

- torque sensing capabilities

- 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 (208mm for fat bikes)
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, half-twist, or full 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 low noise brass 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

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

 

EXPLORE FEATURES OF THE X1 STEALTH

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X1 Stealth left side view