Quick Summary
The Columba 20″ Alloy 7-Speed Folding Bike in Charcoal is a folding bicycle with a super light build, a 20″ wheel size, and a Shimano 7-speed shifter and derailleur. It uses an aluminum folding frame and fork, along with alloy front and rear V-brakes.
The bike also includes foldable pedals, front and rear quick release wheels, Kenda 20″ x 1.5″ tires, front and rear alloy hubs, and a steel kick stand. The stated rider height range is 4’6″ to 5’10”, and the stated maximum rider weight is 200 lbs.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Columba |
| Model | CF20A_CHA |
| Product type | 20″ folding bike |
| Color | Charcoal |
| Weight | 27 lbs. stated weight for easier handling and storage checks. |
| Drivetrain | Shimano 7-speed shifter and derailleur. |
| Wheel size | 20″ wheels. |
| Tire size | Kenda 20″ x 1.5″ tires. |
| Rider height range | 4’6″ to 5’10”. |
| Maximum rider weight | Up to 200 lbs. |
| Frame and fork | Aluminum folding frame and fork. |
| Brakes | Alloy front and rear V-brake. |
| Other features | Front and rear quick release wheels, foldable pedals, steel kick stand. |
What to Compare Before Buying
- Folded-bike fit: This is a folding bike, so compare the folded size against the storage space or transport space you have available.
- Rider size: The stated rider height range is 4’6″ to 5’10”. Check that range against the rider’s height before choosing an offer.
- Weight limit: The stated maximum rider weight is 200 lbs. Make sure that matches the rider and any carried load requirements.
- Speed range: This model uses a Shimano 7-speed shifter and derailleur. Compare that gear range with the terrain and riding needs you have in mind.
- Wheel size: The bike uses 20″ wheels with 20″ x 1.5″ tires, which is a key fit and handling detail for this style of bike.
Compatibility, Size and Fit
The main fit checks for this bike are rider height, rider weight, and storage space when folded. The stated height range is 4’6″ to 5’10”, and the stated maximum rider weight is 200 lbs. If you are comparing this to another folding bike, confirm the wheel size, tire size, and frame style before choosing.
Before You Decide
Confirm the exact model, color, rider height range, and weight limit before choosing an offer. If folded storage space matters, compare the bike’s folded setup with the space where you plan to keep or transport it.








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