# Tongsheng TSDZ2B 48V 500W Mid-Drive Kit vs Skarper DiskDrive E-Bike Conversion System: specs and price compared

A sourced, side-by-side comparison of the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit (Tongsheng) and Skarper DiskDrive E-Bike Conversion System (Skarper) among ebike conversion kits.

## Side by side

| Spec | Tongsheng TSDZ2B 48V 500W Mid-Drive Kit | Skarper DiskDrive E-Bike Conversion System |
| --- | --- | --- |
| US price | $331 | not published |
| Brand | Tongsheng | Skarper |
| Released | — | 2023 |
| Motor type | mid-drive | brushless hub motor disc-drive |
| Motor power | 500 | 250 |
| Voltage | 48 | — |
| Max torque | 100 | 76 |
| Battery included | No | Yes |
| Battery capacity | — | 240 |
| System weight | 7.7 | 9.9 |
| Wheel size compatibility | all wheel sizes (68-75mm BSA BB shell) | 26-29 inch (disc brake required, 160mm rotor) |
| Sensor type | torque + cadence | cadence (DynamicClimb gradient-adaptive) |
| Max speed | 28 | 16 |
| Pedal assist levels | 5 | — |
| Display type | LCD | smartphone app (Bluetooth) |
| Install time | — | 10 |

## Key differences

- Motor type: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit mid-drive vs Skarper DiskDrive E-Bike Conversion System brushless hub motor disc-drive
- Motor power: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 500 vs Skarper DiskDrive E-Bike Conversion System 250
- Max torque: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 100 vs Skarper DiskDrive E-Bike Conversion System 76
- Battery included: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit No vs Skarper DiskDrive E-Bike Conversion System Yes
- System weight: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 7.7 vs Skarper DiskDrive E-Bike Conversion System 9.9
- Wheel size compatibility: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit all wheel sizes (68-75mm BSA BB shell) vs Skarper DiskDrive E-Bike Conversion System 26-29 inch (disc brake required, 160mm rotor)
- Sensor type: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit torque + cadence vs Skarper DiskDrive E-Bike Conversion System cadence (DynamicClimb gradient-adaptive)
- Max speed: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 28 vs Skarper DiskDrive E-Bike Conversion System 16

## Sources

- Tongsheng TSDZ2B 48V 500W Mid-Drive Kit: https://varstrom.com/en-us/products/tse-tongsheng-tsdz2b-500w (varstrom.com, verified 2026-06-27)
- Skarper DiskDrive E-Bike Conversion System: https://skarper.com/products/skarper-ebike-drive-system (skarper.com, verified 2026-06-27)

Canonical: https://frontdeskreview.com/gear/ebike-conversion-kits/tongsheng-tsdz2b-500w-vs-skarper-diskdrive/
Cite: Per The Front Desk Review, Tongsheng TSDZ2B 48V 500W Mid-Drive Kit ($331) vs Skarper DiskDrive E-Bike Conversion System (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ebike-conversion-kits/tongsheng-tsdz2b-500w-vs-skarper-diskdrive/
License: CC BY 4.0.