Brompton C Line 12-speed folding bike
The 12-speed version of the C Line was originally introduced in 2024 (replacing the 6-speed)
Gearing wise it uses 4 derailleur gears combined with 3 internal hub gears - which gives 12 speeds in total
Brompton C Line 12-speed specification:
1. Frame |
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All steel:
Folded size: 585mm wide x 565mm tall by 270mm deep |
2 Colour |
| Main frame: Choice of colours (Amethyst Lacquer and Cloud Metallic are premium finishes which cost a bit extra!) Handlebar stem: Colour to match main frame Forks: Colour to match main frame Rear triangle: Colour to match main frame Decal: Depending upon main frame colour Detailing: Black |
3. Handlebars |
There is a choice of three handlebar styles: |
4. Gears / drivechain |
| 12-speeds in total - combining the 4 speed advance Brompton derailleur system with a 3 speed hub gear system Derailleur chain tensioner 50T front chainring - black 106 link Brompton advance chain with connecting link Foldingleft hand pedal - black Non-removable right hand pedal - black 4 rear rear sprockets Integrated 4-speed gear shifter on left side of bars - black - for derailleur Integrated 3-speed gear shifter on right side of bars - black - for hub gears |
5. Front luggage system |
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The C line comes with the front carrier block fitted to allow for carrying of the Brompton luggage range, in turn allowing you to carry your stuff without affecting the steering of the bike |
6. Mudguards / Rack |
| This bike comes with black advance mudguards No rack / roller frame is included - though it can be retro-fitted |
7. Roller wheels |
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New advance roller wheels help keep the bike stable when folded |
8. Tyres / Wheels |
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Marathon racer tyres - black / reflective 16 inch (ETRTO size 349) wheels with double wall rim
The wheels have black hubs, silver spokes and black rims (the braking surface is still silver) |
9. Saddle |
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Brompton standard saddle - 147mm wide This saddle features chromoly rails and the fixing point for the Brompton Cateye or Be Seen rear light |
10. Seat height |
| Standard seatpost for riders with an inside leg measurement of up to 33 inches (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 Saddle height insert is included - we recommend you fit that after riding the bike for a while |
11. Suspension |
| Along with the new C Line comes a new advance suspension block |
12. Lighting / reflectors |
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Front and rear reflectors are included It's easy to retrofit battery lighting such as:
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We made this video showing the features of the Brompton C Line 12-speed and comparing it to the P Line 12-speed and the C Line 6-speed
Specifications
| Handlebar Type | Low, Mid, High |
| Colour | Black, Dune Sand, Palm Green, Plum Red, Amethyst Lacquer, Cloud Metallic |