Bafang SW102
The Bafang SW102 is a small monochrome OLED display for BBS01B/BBS02B/BBSHD mid-drives — a minimal, stealthy handlebar unit showing speed, battery and assist level (PAS 0–5). No USB or Bluetooth. Connects via the Bafang UART protocol. The VeloFox DM03 is a near-identical clone with 0–9 PAS levels and larger buttons.
In brief: E-bike display. Protocols: Bafang UART. From $36 across 3 sellers.
Specs verified Sep 12, 2026
Where to Find
Prices tracked across 5 sellersAliExpress - AliExpress - ZEEKPOWA Brand Store
$36.08
Hallomotor
$45.99
California-ebike - California Ebike
$93.32
Amazon
Check seller for priceElectrify Bike
Out of stock* Shipping estimates are for the contiguous US and may vary by location.
Price History
Current best price $78.00. Over the past 90 days: low $78.00, high $78.00, average $78.00 — about average.
- Electrify Bike
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Specifications
Specifications
- Protocols
- Bafang UART
- Light Control
- No
- Phone Charger
- No
- Bluetooth
- No
Ports & Connectors
| Pin | Wire color | Function |
|---|---|---|
| 1 | Brown | Battery + |
| 2 | Orange | Power Switch Signal |
| 3 | Green | UART RX |
| 4 | Yellow | UART TX |
| 5 | Black | Ground |
