P-Line, S4R-X, Midnight Black Metallic/Black, 4 speed, S handlebar
- Titanium fork and mainframe
- Superlight front wheel
- 4 Speed Derailleur
- S handlebar
- Rear Rack
- Standard Seatpost
- Brompton new saddle
- Mudguards
- Extra firm rear suspension
- Marathon Racer tyres
- -8% gearing
- Black painted Titanium fork and rear frame
- Front Carrier Block
- Brompton Code: S4R/mMBK/rTiBK/FCB/BAT3/+8/SL/TYOB/REV/P (54T)