X-LAB ST5+

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