T Line - 12 Speed

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The lightest Brompton ever.

The Brompton T-Line 12-Speed sets the benchmark for versatility and lightweight performance in urban folding bikes.

Made from premium titanium, it offers a remarkable weight of just 17.5 pounds, ensuring effortless portability. The 12-speed gearing system provides a wide range of options for varied terrains and inclines, allowing you to tackle city streets with ease and confidence.

The carbon fork adds to the bike’s durability while ensuring responsive handling. With its compact fold, the Brompton T-Line 12-Speed is perfect for commuters, offering convenience and flexibility. This bike seamlessly blends lightweight design with multi-gear versatility, making it ideal for everyday city adventures.

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

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 Extended, Black (35″)

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 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 and aluminium hub with sealed bearings and allen key axle

Tires

Schwalbe ONE Black with Addix race compound and v-guard puncture protection

Tubes

Tubolito S-tubo 34g tube with presta valves

Fenders

Included

Lighting

Reflectors

Pump

Not included

Rack