Versatile electric bike for commuting, convenience, and everyday riding.
- Mid-Drive utility machine that's commuter ready
- Torque for hills and loads on any commuter route
- 619Wh battery + up to 75+ mile range
The ST5+ brings X-LAB engineering to modern urban mobility.
Powered by an integrated electric system and built on a refined aluminum platform, the ST5+ delivers smooth acceleration, confident handling, and the comfort needed for everyday riding.
Designed for riders who want more from their city bike, the ST5+ makes commuting faster, cleaner, and far more enjoyable.
From daily travel to spontaneous detours, the ST5+ transforms the way you move through the city.
The Mission Command Center
A fully integrated cockpit with an accessible color dashboard puts speed, range, assist mode, and ride data right where you need it – simple to read, effortless to use, and built for everyday reliability and adjustments.
Built Tough, Ride Smooth
A durable alloy frame and a complete build around 54 lbs delivers stability and confidence that prepares the rider for commutes, errands, and long rides with real utility in mind.
Mid-Drive Power Engineered In-House
A mid-drive system tuned as a complete platform with torque where it counts, smarter control, and an integrated Branta ecosystem designed for a better ride feel and easier long-term performance.
All-Inclusive Security + Updates
ST5+ doesn’t stop at hardware: with Find My and the X-LAB Bikes app, you get security, ride customization, diagnostics, and over-the-air updates, so your bike stays current, protected, and ready for every day.
Key Features
- Class 2 throttle + Apple Find My anti-theft technology
- MIK rear rack + alloy fenders
- Shimano CUES 9-speed drivetrain
- Comfort setup: 2.4” tires + 80 mm suspension fork
This bike is available in two colors:
- Mercury
- Nightfall Black
Geometry
| M | L | |
|---|---|---|
| A — Seat Tube Length | 420mm | 440mm |
| B — Top Tube Length | 581mm | 638mm |
| C — Head Tube Length | 134mm | 159mm |
| D — Seat Tube Angle | 75° | 74° |
| E — Head Tube Angle | 69° | 69° |
| F — Chainstay | 475mm | 475mm |
| G — Wheelbase | 1152mm | 1201mm |
| H — Bottom Bracket Drop | 70mm | 70mm |
| I — Stack | 635mm | 659mm |
| J — Reach | 410mm | 451mm |
| K — Front Center | 686mm | 735mm |
| O — Stand Over | 734mm | 744mm |
Technical Specifications
FRAME
XDS X6 Alloy Frame, UDH Compatible
FORK
XDS Suspension Fork, Coil Spring, 80mm Travel,
110x15mm Thru-axle
HANDLEBAR / STEM
Branta Alloy Integrated, w/ Display & Front light, 680mm
Width, 90mm Length, 6 Degree Rise, 15 Degree Backsweep
SEATPOST
XDS 31.6mm Alloy Seatpost , 350mm Length
REAR DERAILLEUR
Shimano Cues RD-U4000, 9-Speed
SHIFTER
Shimano Cues 9-Speed
BRAKES
Branta EC4D Hydraulic E-Bike Brake, w/ Cutoff Switch,
3 Finger Lever, 4 Piston Caliper
CASSETTE
Shimano CS-LG300 11-46T, 9-Speed
CRANKSET
Branta Alloy Crankset, 46T, Narrow-wide Teeth
MOTOR
XDS Mid-drive X800 Motor, 250 Watt Continuous Rated
Power, 470 Watt Peak Power, 95Nm Peak Torque, Dual-sided Torque Sensor
BATTERY
XDS Rechargeable Li-ion Battery, 619Wh, LG Battery Cells, 3A Charger (0-100% 5hr)
LIGHTS
Integrated F+R Lights (+ Brake Lights)
SPEED
Pedal-assist and Throttle, Class 2 20mph (Unlock to Class 3 via the X-Lab Bikes Mobile App)
RANGE
Ride up to 75 miles on a Single Charge
TESTING AND COMPLIANCE
UL2271 and UL2849 Certified, Ingress Ratings: Complete Bike IP54, Battery IPX7, Motor and Other Electronics IPX6
LOAD CAPACITY
Max Load 330 lbs (150 kg)
CONNECTIVITY
Apple Find My Anti-Theft Technology, Bluetooth, OTA Updates
ROTORS
Branta PN28, F:180mm R:180mm
CHAIN
KMC E-GLIDE-S
WHEELSET
Branta Alloy E-Bike Wheelset
TIRES
CST CTC-06, 27.5’’x2.4, 30TPI, w/ Reflective Stripe
Max Tire Clearance: 2.4"
SADDLE
Branta C301
PHONE HOLDER
Quad Lock Mount
REAR RACK
MIK-HD Rack
WEIGHT
24.76 kg / 54.58 lbs (Size L)
SIZE OPTIONS
M / L