20" rear-hub BAFANG G020 motor for folding bike conversions. Better traction than front-hub on a folder.
The Bottom Line: 20" rear-hub BAFANG G020 motor for folding bike conversions. Better traction than front-hub on a folder. Check current price on Amazon →
Overview
BAFANG G020 48V 500W 20" Rear Hub Kit is a Rear Hub Kit from BAFANG, designed for Folding bike (20") rear-drive conversions. It's priced at $229 - $289 and currently has a 4.3-star rating from 55+ verified Amazon buyers.
The 20" rear-hub variant of the G020 motor, purpose-built for folding bike conversions. Rear-hub configuration provides better traction than front-hub on a small-wheeled folder, where weight distribution can be tricky.
20" rear-hub BAFANG G020 motor for folding bike conversions. Better traction than front-hub on a folder.
Key Specifications
Pros & Cons
Pros
- Genuine BAFANG G020
- 20" wheel compatible
- Rear-hub traction
- 1-year warranty
Cons
- Limited to 20" wheels
- Cadence sensor
- Requires cassette work
Detailed Review
When evaluating the BAFANG G020 48V 500W 20" Rear Hub Kit, we looked at it across six dimensions: spec-to-price ratio, brand reputation and warranty support, real Amazon buyer reviews, use-case fit, safety certifications, and our own hands-on experience where applicable.
The BAFANG brand has a decent reputation in the e-bike conversion kit space, with 55+ verified Amazon reviews backing the 4.3-star average. The 500W power output places it in the Rear Hub Kit category, which is appropriate for Folding bike (20") rear-drive conversions.
At $229 - $289, this product offers 48V operation with 32 N·m of torque. The LCD included provides clear feedback, and the Cadence PAS delivers Cadence PAS feel.
Who Should Buy This?
Brompton, Dahon, Tern, and other 20" folding bike owners wanting rear-wheel drive. If you have a 16" Brompton, this won't fit — you'll need a Brompton-specific kit. For 20" folders, this is the gold standard rear-hub option.
The BAFANG G020 48V 500W 20" Rear Hub Kit is best suited for:
- Folding bike (20") rear-drive conversions — the primary use case this product was designed for
- Riders who want Cadence PAS technology
- Builders who need 500W of power
- Anyone who values BAFANG's reputation and warranty support
How It Compares
See how the BAFANG G020 48V 500W 20" Rear Hub Kit stacks up against similar products:
- Best E-Bike Conversion Kits 2026 (overall rankings)
- Best Mid-Drive Kits (if applicable)
- Best Hub Motor Kits (if applicable)
- Best E-Bike Batteries (if applicable)
Installation & Usage Notes
BAFANG G020 48V 500W 20" Rear Hub Kit installs via N/A (hub motor). For full installation instructions, see our complete install guide. Most installations take 30 minutes to 3 hours depending on product type and your mechanical experience.
Where to Buy
The BAFANG G020 48V 500W 20" Rear Hub Kit is available on Amazon with verified buyer reviews and easy returns. Click below to check current pricing and availability: