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Brompton T Line 12-Speed - Ceratech - Black-Gold

★★★★★ 5.0 124 reviews

$7,550.00

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$7,550.00

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Management number	235882384	Release Date	2026/07/09	List Price	$2,265.00	Model Number	235882384
Category	Outdoor & Sports Cycling

Brompton T Line 12-Speed - Ceratech

At Brompton, we don’t believe that more always means more. That’s why we offer you a choice of gears. For flatter cities, short rides and even infrequent use, less and simpler is often better. But other times, you might want – or need – more. That’s where our all-new 12-speed comes in.

Just like our bike, Brompton’s 12-speed gear system is unique– we’ve expertly engineered a solution that gives you more gears and more range while still fitting into our compact solution to life on two wheels.

So, what does a wider range mean for you as a rider?
• Even easier to ride up and down hills
• The ability to ride even faster or slower
• Smaller steps between gears
• Even more possibilities

This gives you all the range of – and sometimes even more than a road, hybrid, commuter or city bike, all with the convenience of the compact Brompton package: lightweight, portable, folding. Sound good? Just wait until you try it.

Precision engineering means you can tackle everything that comes your way. By feeling empowered thanks to the versatile T Line, 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, with the T Line by your side, a positive experience is guaranteed.

Beautifully tough

T Line Ceratech is our lightest most advanced model with an all-new Cerakote® finish. The ceramic-based finish on our titanium frames provides an intense color and an exceptional layer of protection—the high durability, low weight and resistance to wear make this a highly prized finish in the aerospace and automotive industries.

The lightest Brompton.

An ultra-light titanium frame with over 150 specially developed weight-saving components. Three years of obsessive material choices and rigorous testing. Everything brand-new except the fold. Andrew Ritchie, our founder, obsessed over that 40 years ago. Never bettered, just refined, it's the original and still the best.

How 12 speed works

Just like our bike, Brompton’s 12-speed gear system is unique– we’ve expertly engineered a solution that gives you more gears and more range while still fitting into our compact solution to life on two wheels.

Using the gears

Our 12-speed gear system gives you all the range of – and sometimes even more than a road, hybrid, commuter or city bike, all with the convenience of the compact Brompton package: lightweight, portable, folding.

Superlight, compact 12 gear system built for the city.

Brand-new everything. Except for the fold.

The all-new ultra-light titanium frame. Over 150 specially developed weight-saving components. Three years of obsessive material choices and rigorous testing. Everything brand-new except the fold. Andrew Ritchie, our founder, obsessed over that 40 years ago. Never bettered, just refined, it's the original and still the best.

Compact drivetrain, designed ground-up.

Nothing rides like it—the entirely new* drivetrain. Designed ground-up to sit inside the fold, to be light as possible and for optimal city performance. The carbon crankset gives greater power transfer. The 60-gram derailleur delivers smooth shifting in a small package. The new gear-ratio, tested from Amsterdam to San Francisco, perfected for city roads. *patent-pending

T Line Ceratech.

T Line Ceratech is our lightest most advanced model with an all-new material finish. The ceramic-based finish on our titanium frames provides a deep, intense colour and an exceptional layer of protection—the high durability, low weight and resistance to wear make this a highly prized finish in the aerospace and automotive industries. Sign up below to be first to be notifed when Ceratech will be available

What is Cerakote?

Cerakote® protects, but it also embellishes. The matt metallic colour is deep, yet you can still see the beauty of the hand-welded titanium frame. When you lift your bike, it feels wonderful to touch, like velvet metal.

Key Details

Specifications:

Weight: From 19.4 lb
Speed: 12-speed
Material: Titanium
Folded Size: 25.4" (H) x 23.6" (W) x 12.6" (D)
Main Frame: Tig-welded titanium frame
Rear Frame: Advance Superlight rear frame with replaceable hanger, suspension block, and 54mm roller wheels
Fork: One piece carbon fork and steerer with magnetic pedal holder
Grips: Superlight lock-on foam grips
Seatpost: Superlight, Black (33")
Saddle: Standard, Black (33")
Seatclamp: Machined aluminium seat clamp and rear frame clip in anodized matt black finish
Hinge Clamps: Machined aluminium self-aligning hinge clamp levers and plates anodized matt black finish
Pedals: Superlight CNC aluminium pedal set with left-hand QR pedal
Drivetrain: Brompton 12-speed drivetrain, 402% range
Number of gears: 12 gears
Chainset: Superlight carbon crankset with hollow BB30 axle, integrated spider, 50T chainring, and chainguard
Bottom Bracket: FSA Mega Evo Bottom Bracket
Headset: Grade 9 titanium diameter tubes with integrated headset and spring-loaded steerer catch hinge
Shifters: Brompton 4-speed derailleur shifter & 3-speed hub gear shifter
Sprockets: 11-13-15-18 tooth
Derailleur: Patent pending direct mount 4-speed derailleur
Rear Wheel: Lightweight rim, double butted spokes, aluminium hub body, and 4-speed freehub body
Front Wheel: Lightweight rim, double butted spokes, aluminium hub with sealed bearings and allen key axle
Tires: Schwalbe ONE Tanwall Tires
Tubes: Tubolito S-tubo 34g tube with presta valves
Fenders: Included
Lighting: Reflectors
Pump: Not included
Rack: Not included
Brakes: Dual Pivot Calipers
Front Carrier: Large diameter front carrier block adaptor for all types of Brompton luggage
On Bike Accessories: Not included

Sizing & Geometry:

Brompton Folding Bike Sizing

All Bromptons come with a standard frame size, with bike fit adjusted by seatpost length and handlebar rise (or stem length for G-Line models). Traditional Brompton handlebars are available in low, mid, and high options, allowing you to choose between a more aggressive or relaxed riding position.

Only available in Low and Mid Bar variant -

G-Line bikes are sized S, M, and L, with seatpost and stem lengths tailored to suit different rider heights. For more details on finding the right fit, see the size tables below.

WARNING: This product contains chemicals known to the State of California to cause cancer reproductive harm

The products in this store may expose you to chemicals such as Nickel which are known in the state of California to cause cancer, and Bisphenol A (BPA) which is known to the state of California to cause birth defects or other reproductive harm.

For more information go to https://www.p65warnings.ca.gov