Guides • Bafang • Error Code Reference Bafang Display Error Codes Explained: Troubleshooting Guide By George — Qualified Mechanic & eBike Specialist, All4eBikes Cardiff •
68mm or 73mm BSA isn’t the whole story. A full compatibility check covering common UK bike brands, press-fit adapters, e-MTB suspension clearance, and exactly how to measure your own bottom bracket.
Already past the BBS01B? Here’s what actually separates the BBS02B and BBSHD once you’re riding — heat under sustained climbs, case width, noise, and which one Cardiff riders end up wishing they’d bought.
Most first-time buyers who choose the cheaper BBS01B are perfectly happy — but a meaningful share come back within a year wanting more torque. Here’s how to know which camp you’re in before you buy.
Full Bafang BBSHD installation guide for UK builders. BB shell prep, motor seating, lock ring torque, wiring, PAS sensor, display setup and programming — with Cardiff fitting service if you’d rather not DIY.
BBS01B vs BBS02B vs BBSHD — specs, frame compatibility, UK road legality, battery pairing, and professional fitting in Cardiff. Shop Bafang mid drive kits →
Feature unlocked
Pick your voltage, capacity, cells, connector — even a custom shape.
