BESV TR-B 1.5 LS 500Wh 2024
Frame Material: Aluminum Low-Step Frame
Assist Speed: 25km/h Maximum Pedal Assist
Drivetrain Specs: Shimano Alivio 9-Speed Group
Suspension Travel: 63mm SR Suntour Fork
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Description
BESV TR-B 1.5 LS 500Wh Bosch E-Bike
The BESV TR-B 1.5 LS utilizes an AL-6061 aluminum low-step frame with a mid-drive Bosch Performance Line motor mounting. This drive unit generates 250 watts of power and 75Nm of torque for propulsion. Front suspension hardware consists of an RST Volant air fork with 80mm of mechanical travel. Braking functions via Shimano BR-MT200 hydraulic calipers and 180mm rotors for reliable heat dissipation. The frame geometry features a low-entry step-through design for accessibility and includes an integrated rear carrier and full-coverage fenders.
The BESV TR-B 1.5 LS battery provides 500Wh of energy capacity and resides inside the down tube for a balanced center of gravity. A handlebar-mounted Bosch LED Remote visualizes battery status and assistance modes via the Smart System interface. Electronic integration connects the motor with a Shimano Alivio 9-speed drivetrain and KMC e9 chain system. Internal channels route the hydraulic brake lines and electrical wiring through the frame structure for protection. The 2A Bosch Compact Charger connects to the battery through a frame-integrated port. Integrated sensors measure pedal torque and cadence to regulate motor output according to EN15194 standards.
Key Features of BESV TR-B 1.5 LS
- AL-6061 aluminum tubing forms the low-step frame
- Motor output measures 75Nm of rotational torque
- PowerTube battery contains 500Wh of total capacity
- LED Remote unit shows handlebar interface data
- Shimano BR-MT200 components power the hydraulic system
- RST Volant fork provides front end stability
- Alivio 9-speed drivetrain connects to motor sensors
BESV TR-B 1.5 LS 500Wh 2024 Specs
| Brand | BESV |
| Full Model Name/Series | TR-B 1.5 Low Step (500Wh) 2024 |
| Country of Origin | Taiwan |
| Drive Unit Type | Mid-Drive (Bosch Active Line Plus) |
| Motor Nominal Power | 250 Watts / 50 Nm |
| Battery Capacity | 500 Wh / Bosch PowerTube / Li-Ion |
| Display/Control Unit | Bosch Intuvia 100 / LED Remote |
| Assist Classes | Class 1 |
| Max Assist Speed | 25 km/h |
| Drivetrain Compatibility | Shimano Alivio 9-Speed |
| Braking System | Shimano MT200 Hydraulic Disc / 160mm |
| Suspension Setup | Suntour NEX-E25 (63mm) |
| Frame Material | Aluminum 6061 (Low Step) |
| Total Weight | ~26.4 kg |
| Wheel/Tire Size | 28" / CST Anti-Puncture |
| Sensor System | Torque, Cadence, Speed |
| Charging Time | ~4.5 Hours |
| IP Rating | IP54 |
| Standard Warranty | 5 Years Frame / 2 Years Electrical |
| Application | Comfort City/Trekking; easy-entry frame with natural assist for urban commuting. |












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