Expertly engineered, the T Line - 12-speed's 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 - 12-speed, 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 - 12-speed by your side, a positive experience is guaranteed.
 
 
Weight
From 8.8 kg
 
Speed
12-speed
 
Material
Titanium
 
Folded 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 manifold
 
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 standard seatpost (33")
 
Saddle
Superlight Carbon
 
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 Fixed right-hand and quick-release left-hand pedals
 
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 and aluminium hub with sealed bearings and allen key axle
 
Tyres
Schwalbe ONE with Addix Race rubber mix and V-Guard puncture protection
 
Tubes
Tubolito S-tubo 34g tube with presta valves
 
Mudguards
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
 
Previous model name
T Line - 12-speed