Brompton A Line vs Brompton T Line: Which Folding Bike Is Better?

Both the Brompton A Line and the Brompton C Line are quality folding bikes that will help you get around – but which is right for you?

Brompton has made a name for itself in the world of folding bikes due to its innovative designs. Among their popular models are the A Line and T Line, both of which are designed for urban commuting.

While they share some similarities, each model has distinct differences that set them apart. Moreover, both models come with a range of accessories and customization options that allow you to tailor your bike to your needs.

From color options to gear ratios, you can create a unique bike that suits your style. This comprehensive guide will compare the Brompton A Line and T Line to help you make an informed decision.

Whether you’re a daily commuter or a weekend rider, these high-quality folding bikes are excellent choices.


Brompton A Line
Brompton T Line
Micro-alloy steelFrameTitanium
Micro-alloy steelForkCarbon
3 gearsGearing1 speed (One)/4 speed (Urban)
A Line Mid HandlebarHandlebarT Line Short/Mid Handlebars
645mm (H) x 585mm (W) x 270mm (D) (25.3” x 23” x 10.6”)Folded Size645mm (H) x 600mm (W) x 320mm (D) (25.4in x 23.6in x 12.6in)
Brompton 3 speed shifterShiftersBrompton 1 and 4 speed Trigger shifters
Brompton calipersBreaksBrompton Dual Pivot Calipers
16″, 28 spokeWheels16″, 28 spoke
349 x 35C Schwalbe Marathon RacerTyresSchwalbe ONE
Brompton Extended Chromoly steel tube (Suitable for maximum inside leg 35″/89cm)SeatpostExtended carbon core and 0.3mm steel armour. Suitable for maximum inside leg 35″/89cm
Brompton classic saddle with integrated carrying handleSaddleOval carbon rails and carbon reinforced base, lightweight padding, integrated carry handle and light mount. Superlight pentaclip.
Non-folding composite pedalsPedalsCNC aluminium pedal set with left hand QR pedal


The Brompton A Line and T Line models share a similar design philosophy, with a focus on creating a sleek and compact folding bike for urban commuters. However, there are some key differences in their design.

The Brompton A Line has a more traditional look, with a simple frame design that emphasizes functionality over style. It features a narrow handlebar and a shorter wheelbase, which makes it more agile and maneuverable in tight spaces. The bike also has a single speed drivetrain, which makes it ideal for flat terrains.

On the other hand, the Brompton T Line has a more modern design, with a wider handlebar and longer wheelbase that provides a more stable and comfortable ride. It also has multiple gear options, ranging from 2 to 6 speeds, which makes it suitable for different terrains and riding styles.

Both models feature high-quality components and materials, such as lightweight titanium and steel frames, puncture-resistant tires, and durable brakes. They also have a compact folding mechanism that allows them to be easily stored and transported in small spaces.

Overall, the Brompton A Line and T Line have distinct design features that cater to different riding preferences and needs. Potential buyers should consider their riding style and terrain to choose the model that best suits their needs.

Verdict: Draw


The Brompton A Line and T Line folding bikes have different weights, with the A Line being slightly heavier than the T Line. The Brompton A Line has a weight range of 10.6 – 12.6 kg (23.4 – 27.8 lbs), while the Brompton T Line has a weight range of 9.2 – 11.5 kg (20.3 – 25.3 lbs).

The difference in weight can be attributed to the materials used in their construction. The Brompton A Line uses a steel frame and fork, while the Brompton T Line uses a titanium frame and fork, which is a lighter and stronger material. Additionally, the Brompton T Line has fewer accessories and features, which helps to reduce its overall weight.

It’s worth noting that both models are relatively lightweight and portable, making them suitable for urban commuting and traveling. The weight difference between the two models may not be significant for some users, while it may be a deciding factor for others.

Verdict: Draw


The Brompton A Line and T Line have similar riding characteristics, as both are designed for urban commuting. Both models have a comfortable ride and provide a smooth and stable cycling experience.

The Brompton A Line has a slightly more upright riding position compared to the T Line, which has a more sporty riding position. The A Line is designed for riders who prefer a more relaxed and comfortable riding experience, while the T Line is better suited for riders who prefer a more aggressive and athletic riding style.

Both models are equipped with suspension systems to absorb shock and reduce vibrations, providing a more comfortable ride on rough surfaces. The T Line features a suspension system on the rear triangle, while the A Line has a suspension system on the front fork.

Overall, the ride quality of the Brompton A Line and T Line is exceptional and well-suited for urban commuting.



The Brompton A Line and T Line share similar folding mechanisms, both utilizing Brompton’s patented folding technology. This folding mechanism allows the bikes to be easily and quickly folded into a compact size, making them ideal for commuting and storage in small spaces.

Overall, both models offer a smooth and efficient folding process that can be completed in under 20 seconds once you become familiar with the steps.

Verdict: Draw


The Brompton A Line and T Line offer various customization options that enable you to personalize your bike according to your requirements.

Both models are available in a range of colors, allowing you to choose a color that suits your style. Additionally, both bikes have the option of adding a front carrier block, allowing you to attach a range of Brompton bags and luggage.

The T Line model also has the option of adding a rear rack for carrying additional luggage or panniers. This feature may be particularly useful for commuters who need to carry extra items with them.

Both models come with different gear ratio options, allowing you to choose a set-up that suits your riding style and terrain. Additionally, there are several different handlebar options available, including the classic M-Type and the more upright H-Type, allowing you to find the most comfortable riding position for you.

Finally, both models can be further customized with a range of accessories, including lights, mudguards, and different saddle options. Overall, both the Brompton A Line and T Line offer a range of customization options that enable you to create a bike that is unique to you.


Price and value for money

The Brompton A Line and T Line are both high-end folding bikes designed for urban commuting. As such, they come with a relatively high price tag compared to other folding bikes on the market.

The Brompton T Line is generally more expensive than the A Line, as it comes with more premium features such as the titanium fork and rear frame. However, both models offer excellent value for money, as they are built to last and offer a comfortable and efficient ride.

Overall, the Brompton A Line and T Line are both great investments for anyone looking for a high-quality folding bike that can handle the demands of urban commuting. While the T Line may be a bit more expensive, its premium features may make it worth the extra cost for some buyers. Ultimately, the choice between the two models will depend on your personal preferences and budget.



Comparing the Brompton A Line and T Line folding bikes, both models have their strengths and weaknesses.

The Brompton A Line offers a compact and lightweight design, making it ideal for those who prioritize portability and ease of transportation. Its 2-speed gear system provides sufficient speed and flexibility for urban commuting, while its sleek design and color options make it an attractive choice.

On the other hand, the Brompton T Line offers a more comfortable ride and is better suited for longer distances. Its 6-speed gear system and larger wheels allow for a smoother ride and faster speed. It also has more customization options, including the option to add a rear rack or mudguards.

In terms of price, the Brompton A Line is generally less expensive than the T Line, making it a more budget-friendly option.

Ultimately, the decision between the Brompton A Line and T Line comes down to personal preferences and intended use. If portability and compactness are priorities, the A Line is a great option. For those seeking a more comfortable ride and customization options, the T Line may be the better choice. Both models are high-quality folding bikes that offer excellent value for money.