# Tongsheng TSDZ2B 48V 500W Mid-Drive Kit: specs and price

**Price (US):** $331 (Motor-only price from Varstrom. Full kits with display and battery from various resellers range $450-$700+.), as of 2026-06-27. Among the 9 ebike conversion kits we track it is the cheapest; category median $493.99.
**Brand:** Tongsheng
**Deskmark:** Platinum Deskmark — pay-blind category standing 96/100, #1 of 8 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $331 |
| Brand | Tongsheng |
| Motor type | mid-drive |
| Motor power | 500 |
| Voltage | 48 |
| Max torque | 100 |
| Battery included | No |
| Battery capacity | — |
| System weight | 7.7 |
| Wheel size compatibility | all wheel sizes (68-75mm BSA BB shell) |
| Sensor type | torque + cadence |
| Max speed | 28 |
| Pedal assist levels | 5 |
| Display type | LCD |
| Install time | — |

## Where it stands

At $331, the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit is the cheapest of the 9 ebike conversion kits we track, where the median is $493.99. On the spec sheet, its voltage of 48 is the highest of the 8, its max speed of 28 is the highest of the 8, and its max torque of 100 is above the median of the 9.

## Frequently asked questions

**How much does the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit cost?**

The Tongsheng TSDZ2B 48V 500W Mid-Drive Kit has a US price of $331 (Motor-only price from Varstrom. Full kits with display and battery from various resellers range $450-$700+.), as of 2026-06-27.

**How does the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit compare on price?**

At $331, the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit is the cheapest of the 9 ebike conversion kits we track, where the median is $493.99.

**What are the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit's key specs?**

Tongsheng TSDZ2B 48V 500W Mid-Drive Kit (Tongsheng): motorType mid-drive, motorPower 500, voltage 48, maxTorque 100, batteryIncluded No. Full sourced spec sheet verified 2026-06-27.

Source: https://varstrom.com/en-us/products/tse-tongsheng-tsdz2b-500w (varstrom.com, accessed 2026-06-27)
Corroboration: https://www.amazon.com/TONGSHENG-TSDZ2B-Conversion-Display-Multiple/dp/B0DJP37DQW (accessed 2026-06-27)
Canonical: https://frontdeskreview.com/product/ebike-conversion-kits/tongsheng-tsdz2b-500w/
Cite: Per The Front Desk Review, the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit price of record was $331 as of 2026-06-27 — https://frontdeskreview.com/product/ebike-conversion-kits/tongsheng-tsdz2b-500w/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl