T LINE
T Line Urban - 4 Speed
Ultralight Titanium
In the pursuit of lightweight performance, we’ve taken the best of the Brompton experience and amplified it with the power of titanium in pursuit of the lightest folding bike.
Ultimate lightness
At 7.95 kg T Line Urban - 4 Speed delivers unmatched performance and practicality. Fine-tuned for city performance. Fenders and luggage system.
Just as compact
4-speed gearing system expertly designed to fit inside the fold and weighs from just 7.95 kg.
Ultimate ride
The re-engineered titanium frame makes this ultralight folding bike even more dynamic and agile - it’s a joy on the road.
Carbon throughout
Vibrations-dampening fork, handlebar and crankset for the smoothest ride ever.
Beauty in the detail
Faster to fold, easier to carry. We studied every interaction with the folded bike and improved it. There’s nothing like this Brompton, not even other Bromptons.
Ultralight Titanium
In the pursuit of lightweight performance, we’ve taken the best of the Brompton experience and amplified it with the power of titanium in pursuit of the lightest folding bike.
Ultimate lightness
At 7.95 kg T Line Urban - 4 Speed delivers unmatched performance and practicality. Fine-tuned for city performance. Fenders and luggage system.
Just as compact
4-speed gearing system expertly designed to fit inside the fold and weighs from just 7.95 kg.
Ultimate ride
The re-engineered titanium frame makes this ultralight folding bike even more dynamic and agile - it’s a joy on the road.
Spread the cost with financing
Get a Brompton T Line from as little as £339 per month. We've partnered with Klarna so you can spread the cost of your light folding bike purchase into equal monthly payments with 0% interest for 24 months.
Brompton Superlight Saddle
Our lightest, stiffest saddle. With performance carbon base and rails. An integrated carry handle. And 42% lighter than the standard Brompton saddle.
Superlight Quick Release Pedals
Less weight. More compact. The first Brompton-designed pedal set with quick release. Reduces the width of your lightweight folded bike. Saves 15% weight on our standard pedals.
Self-aligning hinges
Faster, easier folding. Always set-to-go.
The Superlight Crankset
Get set for the stiffest, most responsive Brompton crankset ever. Custom-design carbon. Accelerate smoother and faster than ever before.
T Line Urban - 4 Speed
Introducing the Brompton T Line Urban - 4 Speed, the pinnacle of folding bike design and urban mobility. Crafted from superlight titanium, this lightweight folding bike redefines commuting with its precision-engineered features. The 4-speed drivetrain is optimized for city performance, ensuring smooth gear transitions whether you're accelerating, cruising, or climbing hills.
As the lightest folding bike in its class, the Brompton T Line Urban offers unmatched portability and durability. Its compact, lightweight design makes it easy to carry onto public transportation or store in small spaces without sacrificing performance.
Experience the freedom and convenience of city cycling with the Brompton T Line Urban - 4 Speed, the best lightweight folding bike available. Perfect for daily commutes or weekend rides, this titanium folding bike combines strength, efficiency, and style for the ultimate urban mobility solution.
Rider fit
Mid
The riser handlebar.
For a natural, relaxed position.
Low
The straight handlebar.
For a sporty, more forward position.
Extended Height Seatpost
For an inside leg up to 35 inches.
Raw Polished Titanium
Titanium is ultra strong and ultra light. It’s the world’s number one naturally occurring metal for strength-to-weight ratio. Being naturally corrosion resistant means high shine and zero rust in all conditions. Shot peened for increased strength. The color, dependant on the light, shines between silvery-white to gunmetal gray.
Manufacturing a Titanium Folding Frame
All Brompton titanium framesets start their life as a set of tubes in our specialist TIG welding factory in Sheffield, 300km north of our London Factory. We built this dedicated space as titanium requires different skills, machinery, and processes compared to steel.
The city of Sheffield has a rich history and legacy of expertise in metalworking. TIG Welding requires a high level of skill and coordination between hand, foot and eye. Even the most experienced welders need time and intense focus. Each welder has a signature style making every weld unique. We’re proud of what they do, that’s why each bike is marked by its maker.
Which Brompton is right for me?
Your Brompton bike can come in many combinations. Some like color are easy to choose, but other options such as the handlebar type and seatpost type are more difficult to get right. Let us help you out!
T Line Urban - 4 Speed
Feel inspired by titanium's lightweight, bright, and mesmerising qualities with the T Line Urban from Brompton. With this sleek bike, you can experience the city in an immersive way. By choosing this lightweight yet powerful model, you can keep focusing on your surroundings as your bike does all the work for you. From noticing the change in a breeze that signifies the entrance to a city to the unique sounds you only hear when riding the T Line Urban lets you embrace urban life completely.
To get you around the city, this bike includes 4-speed gears, which improve control and agility. Expertly engineered, this lightweight frame weighs 37% less than steel equivalents, improving the gearing elements and on-road positioning.
Being able to say yes to every opportunity is made possible by the simple folding system, which means you can transition from two wheels to two feet in just 20 seconds. Also light to carry, you can move around with ease in a much better way than compared to traditional bikes.
Precision engineering means you can tackle everything that comes your way. By feeling empowered thanks to the versatile T Line Urban, a more energetic and active way of life awaits you! Brompton can provide a reliable transport method; it's up to you to find your next adventure. Whichever horizon you choose to explore, with the T Line Urban by your side, a positive experience is guaranteed.
4 Speed
From 7.95 kg
Titanium
Specification
Weight
From 7.95 kgSpeed
4 Speed (Urban)Material
TitaniumFolded Size
25.4" (H) x 23.6" (W) x 12.6" (D)Main Frame
Grade 9 titanium tubes, welded main frame with cast titanium bottom bracket manifoldRear Frame
Advance Superlight rear frame with replaceable hanger, suspension block and 54mm roller wheelsFork
One piece carbon fork and steerer with magnetic pedal holderGrips
Superlight lock-on foam gripsSeatpost
Superlight standard seatpost (33")Saddle
Superlight CarbonSeatclamp
Machined aluminium seat clamp and rear frame clip in anodized matt black finishHinge Clamps
Machined aluminium self-aligning hinge clamp levers and plates anodized matt black finishPedals
Superlight cnc aluminium pedal set with fixed right-hand and quick-release left-hand pedalsDrivetrain
Brompton 4 speed drivetrain, 163% rangeNumber of gears
4 gearsChainset
Superlight carbon crankset with hollow BB30 axle, integrated spider, 56T chainring and chainguardBottom Bracket
FSA Mega Evo Bottom BracketHeadset
Grade 9 titanium diameter tubes with integrated headset and spring loaded steerer catch hingeShifters
4 speed trigger shifterSprockets
11-13-15-18 toothDerailleur
Patent pending direct mount 4 speed derailleurRear Wheel
Lightweight rim, double butted spokes, aluminium hub body and 4 speed freehub bodyFront Wheel
Lightweight rim, double butted spokes and aluminium hub with sealed bearings and allen key axleTyres
Schwalbe ONE with Addix Race rubber mix and V-Guard puncture protectionTubes
Tubolito S-tubo 34g tube with presta valvesMudguards
IncludedLighting
ReflectorsPump
Not includedRack
Not includedBrakes
Dual Pivot CalipersFront Carrier
Large diameter front carrier block adaptor for all types of Brompton luggageOn Bike Accessories
Not includedReviews & Questions
T Line Urban - 4 Speed
Delivery & Returns
HOME DELIVERY
Enjoy free delivery on all orders over £50. £4.95 delivery fee for any orders under £50. We aim to dispatch your order within 2 working days; sometimes this can be longer during busy periods. Once your order has left our warehouse, we’ll send you an email with tracking information. High-value items over £100 will require a PIN number, which is supplied to you by the courier; you will need to give this PIN to the courier on delivery.
Your bike will arrive ready to ride and all the kit you need to assemble the saddle yourself.
CLICK AND COLLECT TO YOUR LOCAL BIKE SHOP
Collect your Brompton bike from our nationwide network of accredited retailers and from our Brompton Junctions. Your bike will be expertly prepared and be ready to ride straight away. Any additional parts and accessories on your order will be sent with your bike.
RETURNS
Brompton is committed to quality; if our products have failed you in any way, please return them and we will either exchange them or give you your money back. If the product is faulty or has arrived damaged, we will reimburse the cost of return postage. Unwanted items may be returned within 28 days at your cost.
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