At a glance
The TST R9 Dual Battery is a commuter electric bike listed at $899. Manufacturer specs put it at a 1440Wh battery, a claimed 135 mile range, and a 32 mph top speed, at 88 lbs.
Next to the 46 other electric bikes in its price band ($674–$1,124), its strongest numbers are claimed range (135 mi vs 64 mi avg), battery capacity (1440Wh vs 764Wh avg), and energy density (battery size for the weight) (16.4 Wh/lb vs 10.3 Wh/lb avg). The tradeoff is weight (88 lbs vs 74 lbs avg).
Spec-based analysis, computed from manufacturer-published numbers and compared against 46 similar electric bikes by price. No hands-on testing yet.
Strengths & weaknesses
Designed for: Urban CommutingStrengths
135 mi vs 64 mi avg
1440Wh vs 764Wh avg
16.4 Wh/lb vs 10.3 Wh/lb avg
450 lbs vs 368 lbs avg
Weaknesses
88 lbs vs 74 lbs avg
Compared with 46 similarly priced models ($674–$1,124), from manufacturer specs.
Full Specifications
TST R9 Dual Battery
Powertrain
- Motor Type
- Geared Hub
- Peak Power
- 1500 W
- Torque
- 90 Nm
- Assist Levels
- 5
Battery & Range
- Capacity
- 1440 Wh
- Amp-Hours
- 30 Ah
- Voltage
- 48 V
- Claimed Range
- 135 mi217.3 km
- Charge Time
- 5-6 h
- Removable Battery
- Dual Battery
Build Quality
- Gears
- 7
- Drive System
- Chain
- Gearing
- Derailleur
- Shifter
- Shimano 7 Speed
- Puncture Protection
- UL 2849
Utility
- Weight
- 87.7 lbs39.8 kg
- Max Load
- 450 lbs204.1 kg
- Rear Rack
- Fenders
- Lights
- Display
- LCD
- Connectivity
- Bluetooth
- App Compatible
- Warranty
- 24 mo
Classification
- Category
- Commuter
- Top Assist Speed
- 32 mph51.5 km/h
Wheels & Tires
- Wheel Size
- 20"
- Tire Size
- 20x4.0
- Tire Category
- Fat
Frame & Geometry
- Max Seat Height
- 26.9"68.2 cm
- Standover Height
- 30.7"78 cm
- Overall Length
- 60.4"153.5 cm
Compare TST R9 Dual Battery to other vehicles
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TST R9 Dual BatteryvsSimilar E-Bikes
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