Got a Bafang Mid-Drive? Here’s Why It’s Acting Up
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You took the plunge and converted your bike.
Mid-drive power. Climbing like a beast. Loving life.
But now?
🛑 It’s making weird noises.
🛑 The motor’s cutting out.
🛑 Error codes flashing on the screen like it’s Christmas.
🛑 Or it just doesn’t feel right anymore.
That’s not the kit failing.
That’s your Bafang asking for a proper service.
The Truth About DIY Conversions
Most Bafang installs are done in a shed.
Not knocking it — we’ve seen some great DIY jobs.
But we’ve also seen:
❌ Loose cranks
❌ Stripped wiring
❌ Someone used the bike as an ashtray
❌ Motors clogged with dust and chain lube
❌ Settings cranked way too high (hello blown controllers)
If your Bafang motor is misbehaving, don’t guess — we diagnose, repair, and service them properly.

What We Actually Do (When We Service a Bafang Mid-Drive):
✅ Strip motor from bike
✅ Inspect wiring harnesses, connectors, and mounting
✅ Clean, re-grease, and reassemble internal gears
✅ Check clutch and nylon reduction gear
✅ Flash or update firmware if needed
✅ Re-torque all bolts and align motor properly
✅ Reset controller settings to sane, safe levels
✅ Test ride and re-tune for smooth performance
Common Issues We Fix:
🔋 Battery cutting out under load
🧲 Pedal assist not kicking in
⚡ Throttle stuttering or failing
📉 Loss of power or range
🚨 Error codes (ERR21, ERR30, etc.)
🔧 Weird clicking or grinding noises
And yes — we service both BBS02 and BBSHD models (plus the occasional BBS01 or Ultra).
💰 What’s It Cost?
🛠️ Service: from $249
🔍 Full Diagnostic: from $125 (will carry inspection fee over to cost of the works)
🧩 Parts: quoted as needed. I’ll never do the work before giving you a quote.
You bring the bike — we bring it back to life.
Why It Matters
Your Bafang kit can last years — if you treat it right.
Grease it. Clean it. Tune it.
Ignore it, and you’re one hill away from silence 😬
🛻 Want Us to Pick It Up?
Easy. We’ll collect your bike, sort the issue, and return it ready to rip.
📅 Book online through Hubtiger — link below 👇
Prefer a chat first?
📞 Call: (03) 8542 9500
📧 Email: info@graceandpace.com.au