Brompton T Line Specifications

The Brompton T Line is Brompton’s lightest and most advanced folding bike, built entirely from titanium and carbon to deliver unmatched portability and performance for discerning urban riders in Canada.

Brompton T Line 12-Speed Folding Bike Specifications

Key Specifications

• Weight: From 8.8 kg / 19.4 lbs

• Gearing: 12-speed

• Drivetrain Range: 402%

• Frame Material: Titanium

Folded Dimensions

• Folded Size: 25.4" (H) × 23.6" (W) × 12.6" (D)
  (Slightly deeper fold than steel Brompton models due to advanced components, while remaining fully Brompton-compact)

Frame & Fork

• Main Frame: Grade 9 titanium tubes with a welded main frame and cast titanium bottom bracket manifold

• Rear Frame: Advance Superlight rear frame with replaceable hanger, suspension block, and 54 mm roller wheels

• Fork: One-piece carbon fork and steerer with integrated magnetic pedal holder

Cockpit & Contact Points

• Grips: Superlight lock-on foam grips

• Seatpost: Superlight standard seatpost (33")

• Saddle: Superlight carbon saddle

• Seat Clamp: Machined aluminium seat clamp and rear frame clip, anodized matt black

• Hinge Clamps: Machined aluminium self-aligning hinge clamp levers and plates, anodized matt black

Drivetrain & Gearing

• Drivetrain: Brompton 12-speed system

• Number of Gears: 12

• Shifters: Brompton 4-speed derailleur shifter + 3-speed internal hub shifter

• Derailleur: Patent-pending direct-mount 4-speed derailleur

• Sprockets: 11-13-15-18T

• Chainset: Superlight carbon crankset with hollow BB30 axle, integrated spider, 50T chainring, and chainguard

• Bottom Bracket: FSA Mega Evo bottom bracket

Wheels & Tires

• Front Wheel: Lightweight rim with double-butted spokes, aluminium hub with sealed bearings, and Allen-key axle

• Rear Wheel: Lightweight rim with double-butted spokes, aluminium hub body, and 4-speed freehub body

• Tires: Schwalbe ONE with Addix Race rubber compound and V-Guard puncture protection

• Tubes: Tubolito S-Tubo 34 g tubes with Presta valves

Braking & Safety

• Brakes: Dual-pivot caliper brakes

• Lighting: Reflectors included

• Mudguards: Included (standard)

Carrying & Accessories

• Pedals: Superlight CNC aluminium pedals with fixed right-hand and quick-release left-hand pedal

• Front Carrier: Large-diameter front carrier block adaptor compatible with all Brompton luggage

• Rack: Not included

• Pump: Not included

• On-Bike Accessories: Not included