Brompton 2023 P Line CHPT3 V4 folding bike - fourth edition

Brompton 2023 P Line CHPT3 edition folding bike - fourth edition 

2023 saw V4 of this special edition CHPT3 (Chapter 3) Brompton folding bike

Weight is saved by having no mudguards, machined hollow hinge clamp handles and titanium forks and rear triangle 

This is the first time that the CHPT3 has been a 4 speed (P Line) range bike - the previous version was 6 speed

Brompton P Line CHPT3 edition 4-speed specification:

1. Frame
Main frame - steel
Extremities (front fork and rear triangle) - titanium - textured Concrete Grey
Folded size: 585mm wide x 565mm tall by 270mm deep

2. Colour
Main frame: Winter sky gloss high shine  with Fire Red and Aqua Teal accents
Rear frame: textured Concrete Grey
Forks: textured Concrete Grey
Decal: Special CHPT3 decals 

3. Handlebars

S-type sports handlebars for an aerodynamic racing position
Ergon GE1 Evo Slim – A premium ergonomic, rider-oriented grip with more comfort, precision and performance
Superlight headset 

4. Gears / drivechain
4 speed P line gearing
Derailleur chain tensioner
50T front chainring - black
106 link (10 speed) Brompton chain with powerlink
Folding left hand pedal - black
Non-folding right hand pedal - black
Integrated brake / gear shifters

5. Front luggage system
Mounting lugs for future fitting of a Front carrier block - if you ask nicely we'll fit one for free!

6. Mudguards
No mudguards - to save weight

7. Roller wheels
Advance roller wheels help keep the bike stable when folded 

8. Tyres / Wheels
Limited edition gum-wall Schwalbe One 16 inch tyres - 16 x 1 1/3 inch / 35-349, inflate to 65-100psi
Low rolling resistance - built for speed
16 inch (ETRTO size 349) P Line wheels with double wall rim (spokes front? / spokes rear?)
Schrader / car type 8mm valve ?

9. Saddle
Fizik Terra Argo - A short nose saddle with a ride-compliant carbon-reinforced nylon shell and S-Alloy rail

10. Seat height
Standard seatpost?
for riders with an inside leg measurement of up to 33 inches - black
(If you are taller - up to 35 inch inside leg - then an extended length seatpost can be fitted at no extra cost)
For very tall riders a telescopic seatpost is available at extra cost 
Black pentaclip for fixing the saddle to the seat post

11. Suspension
Limited edition red suspension block - specially race tuned

12. Lighting / reflectors
Front and rear reflectors 

13. Frame Pouch Bag
A Limited Edition CHPT3 x Brompton frame pouch bag is supplied with each bike 
This has been specifically designed to fit in the rear triangle of the bike mainframe for storing spare inner tubes or multi tool or a small thing! 
Made from Hypalom material in a waterproof welded construction 

Brompton code: S4E/mWS/rTiMC/TA/TYOT/CHPT3