Technical Specifications
General Information
- Range: Up to 40 miles
- Top Speed: 28 mph (Class 3)
- Weight: 53 lbs
- Frame: Aluminum 6061 Alloy, Step-Through
- Capacity: 300 lbs total
- Rear Rack: Aluminum, 50 lb max
- Fenders: Full coverage
- Safety: SGS Certified to UL 2849
Drivetrain
- System: Gates Carbon Belt Drive
- Derailleur: Single Speed
- Freewheel: Gates Flywheel, 20T
- Chainring: Gates 60T
- Crankset: 170mm Alloy
- Pedals: Polypropylene
- Sensors: Torque & Cadence
Suspension & Wheelset
- Front Fork: Uni-Fork Suspension, 30mm Travel
- Seatpost: SR Suntour NCX Suspension
- Saddle: Velo Wide Comfort
- Tires: Kenda Kwik Six 26” x 2.4”
- Rims: Double-walled Aluminum
- Spokes: 12G Front / 12G Rear
- Front Hub: Thru-Axle
Electronics
- Motor: 500W Bafang Hub
- Battery: 48V, 10.5Ah (504Wh)
- Controller: Custom 48V / 20A in-frame
- Display: Left-side Color LCD
- Stem: 90mm Adjustable
- Headlight: 200 lux Dual Beam LED
- Rear Light: Integrated (steady & flash modes)
- Throttle: Left Thumb Throttle
- USB Port: Type-C Charging
- Charger: 48V, 2 Amp
Brakes
- System: Tektro E350 Hydraulic
- Levers: Adjustable w/ Motor Cut-Off
- Rotors: 180mm Front & Rear
Safety You Can Trust
Tektro hydraulic disc brakes with 180mm rotors for confident stopping power
200-lux headlight and brake-activated rear light for day and night visibility
Motor cut-off brake levers that stop power instantly for safer control
Sizing
For riders 4’11”–5’10”, it blends comfort, simplicity, and everyday practicality with a step-through frame, premium suspension, and a maintenance-free Gates Carbon Belt Drive.
| Rider Heights |
4’11” – 5’10” |
| Seat Tube |
13 in |
| Total Length |
71 in |
| Wheelbase |
44 in |
| Standover |
16 in |
| Reach |
16 in |
| Saddle Height |
34–40 in |
| Stem |
90mm Adjustable |
Built With Mechanic-Approved Parts
Monoshock Front Suspension (30 mm Travel):
Enough cushion for comfort, without the weight of a full fork.
SR Suntour NCX Suspension Seatpost:
Premium comfort that absorbs bumps without extra weight.
Smart Pedal Assist
Torque + Cadence Sensors for Effortless Riding
- Torque sensing: Smooth, natural assist that responds to your pedaling.
- Cadence sensing: Relaxed cruising with minimal effort.
- Thumb throttle when you need an extra boost.
Clean Build. Low Maintenance.
Internal Cable Routing:
Keeps all wiring protected inside the frame, cleaner look, less upkeep.
Gates Carbon Belt Drive:
Maintenance-free and ultra-durable, no grease, no chain mess, no tune-ups.
Technical Specifications
General Info
- Model: Solar Sparrow
- Range: Up to 40 miles
- Max Speed: 28 mph assist
- Weight: 53 lbs
- Rider Height: 4’11”–5’10”
Drivetrain
- Gates Carbon Belt Drive
- Single-Speed Simplicity
- Gates Chainring 60T + Flywheel 20T
Electronics
- Motor: 500W Bafang Hub
- Battery: 48V, 10.5Ah (504Wh), removable
- Controller: 48V, 20 Amp
- Display: Left-mounted color LCD
- Throttle: Left thumb throttle
- USB-C charging port
Suspension & Wheels
- Uni-Fork Suspension, 30mm travel
- SR Suntour NCX suspension seatpost
- 4” Kenda Kwik Six tires
- Double-walled rims
Brakes
- Tektro E350 hydraulic disc brakes
- 180mm front & rear rotors
- Motor cutoff brake levers
Sizing & Fit
For Riders 4’11”–5’10”
- Standover: 16”
- Saddle Height: 34–40”
- Total Length: 71”
- Wheelbase: 44”
- Reach: 16”
- Seat Tube: 13”
- Adjustable Stem: 90mm
Weight & Capacity
- Bike weight: 53 lbs (easy to lift & transport)
- Payload capacity: 300 lbs
SGS certified for UL 2849 system safety and UL 2271 battery standards (SGSNA/24/CQ/00032)
