# Tongsheng TSDZ2B 48V 500W Mid-Drive Kit vs CYC Photon Gen 2 Mid-Drive Kit: specs and price compared

A sourced, side-by-side comparison of the Tongsheng TSDZ2B 48V 500W Mid-Drive Kit (Tongsheng) and CYC Photon Gen 2 Mid-Drive Kit (CYC) among ebike conversion kits. Tongsheng TSDZ2B 48V 500W Mid-Drive Kit is the cheaper of the two at $331.

## Side by side

| Spec | Tongsheng TSDZ2B 48V 500W Mid-Drive Kit | CYC Photon Gen 2 Mid-Drive Kit |
| --- | --- | --- |
| US price | $331 | $950 |
| Brand | Tongsheng | CYC |
| Motor type | mid-drive | mid-drive |
| Motor power | 500 | 750 |
| Voltage | 48 | — |
| Max torque | 100 | 130 |
| Battery included | No | No |
| Battery capacity | — | — |
| System weight | 7.7 | — |
| Wheel size compatibility | all wheel sizes (68-75mm BSA BB shell) | all wheel sizes (68-120mm bottom bracket) |
| Sensor type | torque + cadence | torque + cadence |
| Max speed | 28 | — |
| Pedal assist levels | 5 | — |
| Display type | LCD | SW102T / Intuition display |
| Install time | — | — |

## Key differences

- Motor power: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 500 vs CYC Photon Gen 2 Mid-Drive Kit 750
- Max torque: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit 100 vs CYC Photon Gen 2 Mid-Drive Kit 130
- Wheel size compatibility: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit all wheel sizes (68-75mm BSA BB shell) vs CYC Photon Gen 2 Mid-Drive Kit all wheel sizes (68-120mm bottom bracket)
- Display type: Tongsheng TSDZ2B 48V 500W Mid-Drive Kit LCD vs CYC Photon Gen 2 Mid-Drive Kit SW102T / Intuition display

## Sources

- Tongsheng TSDZ2B 48V 500W Mid-Drive Kit: https://varstrom.com/en-us/products/tse-tongsheng-tsdz2b-500w (varstrom.com, verified 2026-06-27)
- CYC Photon Gen 2 Mid-Drive Kit: https://www.cycmotor.com/product-page/photon-gen-2 (cycmotor.com, verified 2026-07-10)

Canonical: https://frontdeskreview.com/gear/ebike-conversion-kits/tongsheng-tsdz2b-500w-vs-cyc-photon-gen-2/
Cite: Per The Front Desk Review, Tongsheng TSDZ2B 48V 500W Mid-Drive Kit ($331) vs CYC Photon Gen 2 Mid-Drive Kit ($950) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/ebike-conversion-kits/tongsheng-tsdz2b-500w-vs-cyc-photon-gen-2/
License: CC BY 4.0.