10 Best 20 Inch Folding Bikes 2026 in the United States

The Brompton C Line 6 Speed Folding Bike is a strong choice if you want a reliable, easy-to-carry folding bike ideal for city riding and beyond. It features a durable steel frame and weighs about 26.7 pounds, which is fairly light considering its robust build. The bike folds down to a very compact size (around 25.3 x 23 x 10.6 inches), making it convenient to store in tight spaces like car trunks or public transit. Although it has 16-inch wheels instead of the 20-inch typical for this category, Brompton designs these smaller wheels to balance compactness and ride quality. The 6-speed gearing is versatile enough to handle various urban terrains smoothly, supported by trigger shifters for quick gear changes. Braking is handled by Brompton’s dual-pivot caliper brakes, offering reliable stopping power on city streets.

One trade-off is the rigid suspension, which means you won’t get much shock absorption on rough roads, but this helps keep the bike lightweight and simple. The folding mechanism is quick and well-engineered, with all parts including pedals folding down, so you can pack and go in under 20 seconds. Plus, the integrated luggage system adds practical carrying options for daily essentials. This Brompton model excels for riders who prioritize portability, customizability, and a smooth, efficient ride, especially in urban environments, though it might feel less cushioned on bumpier surfaces.

The Brompton A Line 3 Speed Folding Bike stands out for its portability and simplicity, making it a solid choice for city commuters and those who need to store their bike in tight spaces. Weighing about 25 pounds, it’s easy to carry and fits into small trunks or public transport with a folded size of just 25.3 x 23 x 10.6 inches. The steel frame ensures durability and comes with a 7-year warranty, emphasizing its longevity.

The three-speed hub gears are low maintenance and allow shifting even when stationary—great for starting off smoothly at traffic lights. The bike is handmade in London and designed to fit most adults comfortably, with a natural, upright riding position and a versatile fit range from 1.4 to 1.9 meters in height. However, the smaller 16-inch wheels might not be ideal for rough terrain or long-distance touring. The rigid suspension may also mean a bumpier ride compared to bikes with built-in suspension.

Despite these minor drawbacks, the bike's ease of folding, compact size, and reliable components make it a practical choice for urban cyclists. Its glossy white finish and included components like a bell, reflectors, and Schwalbe Kojak tires add to its urban appeal. If you are looking for a convenient, low-maintenance folding bike for city commuting, the Brompton A Line is worth considering.

The ZiZZO Campo 20-inch Folding Bike stands out for its portability, making it an excellent choice for commuters or those with limited storage space. Weighing about 28 pounds, it is relatively light, and its folded dimensions (H-27" L-31" W-12.5") ensure it can fit into small spaces with ease. The aluminum alloy stem and high-carbon steel frame offer a solid build, although the rigid suspension might not be ideal for rough terrains, making it best suited for road use. With 7 speeds and a twist grip shifter, it provides adequate gearing for various riding conditions, though it may not satisfy those seeking more advanced gear options.

The linear pull brakes offer reliable stopping power, but they might require more frequent adjustments compared to disc brakes. The bike is designed with user comfort in mind, featuring a wider saddle and adjustable seatpost and handlebar heights. The magnetic frame catch is a handy feature that keeps the bike securely folded. One potential drawback is the weight; at 31 pounds, it’s on the heavier side for a folding bike, which could be a concern for some users. Additionally, while it’s marketed as lightweight, it might not meet the expectations of those looking for ultra-light options.

Nevertheless, its ease of folding and the inclusion of folding pedals add to its convenience. Recommended for riders aged 16 to 75 and suitable for those with a height of at least 4.8 feet, this bike accommodates a broad range of users. To summarize, the ZiZZO Campo offers a good blend of convenience, durability, and user-friendly features, making it a strong contender in the folding bike category.