1. Frame

Main frame:Grade 9 titanium tubes, welded main frame with cast titanium bottom bracket manifoldRear Triangle: Advance Superlight rear frame with replaceable hanger, suspension block and 54mm roller wheelsFork: One piece carbon fork and steerer with magnetic pedal holder

2. Size and Weight

Folded size: 599mm wide x 645mm tall by 320mm deepWeight: TBC

3. Colour

Main frame: Black Ceratech (rear) / Gold Ceratech (front)Handlebar stem: Black CeratechForks: Black carbonRear triangle: Black CeratechDecal: Etched Detailing: Black

4. Handlebars and grips

Superlight Carbon mid rise handlebars (previously known as the M type) - the classic Brompton handlebar shape. Unlike previous models of Brompton, the bars can be relatively easily changed should you decide you prefer the low / straight bars

Superlight lock-on foam grips (130mm and easily changeable with your favourite grips if wanted)Handlebar width - 58cm

5. Gears / drivechain

4 speed advance Brompton derailleur system combined with ultralight 3 speed hub gear Derailleur chain tensionerSuperlight carbon crankset with hollow BB30 axle, integrated spider, 50T chainring and chainguardFSA Mega Evo Bottom Bracket106 link Brompton advance chain with connecting linkSuperlight pedals (the right one is removable) which were introduced with the T Line4 rear rear sprockets - 11-13-15-18 toothIntegrated 4-speed gear shifter on left side of bars - blackIntegrated 3-speed hub gear shifter on the right side of the bars - black

6. Front luggage system

No Front Carrier Block is fitted as standardThis T Line uses a T Line specific front carrier block which can be retro-fitted if you want to carry Brompton luggage 

7. Mudguards / Rack / Hinge clamps

This bike comes with black advance mudguardsNo rack / roller frame is included - though it can be retro-fittedSelf aligning aluminium hinge clamps to help you un-fold quicker 

8. Roller wheels

New slightly larger advance roller wheels help keep the bike stable when folded 

9. Tyres / Wheels

Schwalbe ONE tan wall with Addix race compound and v-guard puncture protection 16 inch (ETRTO size 349) wheels with double wall rim

• 28 spokes  on the rear - Lightweight rim, double butted spokes, aluminium hub body and 4 speed freehub body

• 20 spokes on the front - Lightweight rim, double butted spokes and aluminium hub with sealed bearings and allen key axle

The wheels have black hubs, black spokes and black rims (the braking surface is still silver)Inner tubes -  S-tubo 34g tube with Presta/racing type valve

10. Saddle and pump 

Brompton superlight carbon saddle, this superlight carbon saddle features carbon rails, a carbon reinforced base and lightweight padding, it features a low profile and wave shape and has the under saddle mounting for the Be Seen LightsFitted with the superlight pentaclip which is a machined aluminium seat clamp and rear frame clip in anodized matt black finishPump not included but can be purchased seperately 

11. Seat height

Standard height steel armoured carbon seatpost for riders with an inside leg measurement of up to 33 inchesIf you are taller - up to 35 inch inside leg - then an extended length carbon seatpost can be fitted at no extra costFor very tall riders a telescopic seatpost is available at extra cost - sorry a carbon version is not available Saddle height insert is included - try riding the bike for a while to get used to your ideal / optimum seat height before fitting

12. Suspension

Along with the new T Line comes a new advance suspension block

13. Lighting / reflectors

Front and rear reflectors are includedIt's easy to retrofit battery lighting such as the Brompton Spanning solo rear light or Brompton CatEye 500lm light or Brompton Be Seen Lights