Bafang 250/350W BBS01B Mid Drive Kits

Looking for smooth electric assistance that feels natural and stays road legal? The Bafang BBS01B mid-drive series is a trusted option for creating a reliable electric bike suited to UK roads. Designed for balance, efficiency, and control, these kits deliver pedal-assisted power that integrates seamlessly with your bike.

Popular across everyday commuting and leisure riding, these mid-drive systems comply with UK road regulations and perform especially well in urban settings and light touring.

By working through your bike’s gears, mid-drive motors offer improved efficiency and hill control compared to hub-based setups, making them a smart choice for folding bikes and lightweight commuter builds that prioritise a natural riding feel.

Why Choose Electro City Bikes for Bafang 250/350W BBS01B Mid Drive Kits?

Electro City Bikes is more than just an e-Bike conversion shop. We support riders across the UK with carefully selected Bafang drive kits, expert advice, and dependable after-sales support. Our team understands compatibility, road legality, and long-term performance, helping customers make confident decisions from the start.

We also supply essential e-Bike parts and accessories, including Bafang displays and batteries, and provide guidance through our e-Bike conversion service for riders who want professional support. Many customers trust us as a reliable Bafang repair centre, with access to specialist support in London and beyond.

Every Bafang conversion kit we sell is backed by hands-on expertise, ensuring the correct components are matched to your bike for smooth, dependable performance. From battery selection to system setup, we focus on delivering conversions that feel refined and built to last.

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FAQ's

Is the Bafang 250W BBS01B legal for UK roads?

Yes. The 250W version is widely used on electric bikes sold in the UK and complies with public road regulations when installed correctly.

Can this kit be used on folding bikes?

Yes. Many riders install BBS01B kits on folding electric bike builds due to the balanced weight distribution.

What batteries work with this kit?

These kits pair well with Bafang battery 36V, 48V and other compatible options depending on your configuration.

Do you offer help with installation?

We provide a clear Bafang installation guide, along with practical support to help you install your kit with confidence.