Tongsheng TSDZ8 48V 750W E-Bike Conversion Kit

The Tongsheng TSDZ8 48V 750W mid drive conversion kit is a high performance solution designed to transform standard bicycles into powerful and efficient electric bikes. Featuring a centrally mounted motor with an integrated torque sensor and dual clutch design, it delivers smooth, natural pedal assist with strong and responsive climbing capability.

With up to 140 N.m of torque, the system provides confident hill climbing and dynamic power delivery that closely matches rider input. The compact design maintains a balanced bike profile while supporting high efficiency operation to help optimise battery usage. Built for reliability and everyday performance, it is suitable for commuting, touring, and recreational riding.

Key Benefits

• 750W mid drive motor for strong and responsive performance
• Integrated axial torque sensor for natural pedal assist feel
• Up to 140 N.m maximum torque for excellent hill climbing
• Power assist ratio from 36 percent to 300 percent
• High efficiency operation greater than 85 percent
• Dual clutch design for smooth engagement
• IP65 waterproof rating for dependable outdoor use
• Compatible with 68mm or 73mm JIS bottom brackets
• Suitable for commuting, touring, and recreational cycling

Technical Specifications

• Motor Model: Tongsheng TSDZ8
• Motor Type: Mid drive motor with torque sensor
• Voltage: 48V
• Power Output: 750W
• Maximum Torque: 140 N.m
• Power Assist Ratio: 36 percent to 300 percent
• Speed Limited: Approximately 15.5 mph
• Speed Unlimited: Approximately 21.7 to 28 mph
• Efficiency: Greater than 85 percent
• Bottom Bracket Compatibility: 68mm or 73mm JIS standard
• Waterproof Rating: IP65
• Bare Motor Weight: Approximately 6.55 kg
• Package Weight: Approximately 7.16 kg
• Operating Temperature Range: Minus 4°F to 113°F
• Certifications: CE, EN 14764, ROHS