The Legendary Brompton Fold
The Brompton C Line 12 Speed is the folding bike you want when you need range and versatility without sacrificing portability. In under 20 seconds, it folds into a compact package you can roll, carry, or stash under your desk — yet when unfolded, it gives you a serious 12-speed drivetrain built into Brompton’s clever Advance Rear Frame.
At a Glance
- 12 gears via hybrid 4-sprocket + 3-speed hub system
- 402 % gear range
- Roller wheels for gliding while folded
- Folds in under 20 seconds
- Weight: Approx. 26 Lbs.
- Hand brazed steel frame built in Brompton’s London factory
Bike Facts
Serving size Carries up to 1 person
| Amount per ride | |
|---|---|
| Joy | 100% |
| Bike Details | |
| Frame Material | Steel |
| Brakes | Brompton Dual Pivot Caliper Rim Brakes |
| Tires | 349 x 35C Continental Tires - Cream Wall |
| Number of Gears | 12 |
| Rider Height | Standard: 4'7" – 6'2" Extended: 4'7" – 6'5" Telescopic: 4'7" – 6'8" |
| Weight | Approximately 29.5 lbs |
| Suspension | Brompton specific |
| Max Load (lbs) | 242 |
| Included Accessories | Fenders Bell |
| Maintenance Requirements | Medium |
| Folded Size | 25.3" × 23" × 10.6" |
* Best consumed daily for optimal joy. Pairs perfectly with laughter and good company.
Clever Cycles • Brompton C Line 12 Speed
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Details That Matter
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Is This Your Bike? Read On.
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Pure Brompton
Brompton Frame Size Information
How Do I Know Which Size Brompton I Need?
Every Brompton frame is the same size. What changes are the components that fine-tune the fit—namely the seatpost, handlebar type, and stem.
Seatpost Options
Brompton offers three seatpost lengths to match different riders and storage needs:
- Standard: Best for riders with an inside leg up to about 33″. Keeps the bike compact when folded.
- Extended: About 2.5″ longer. Great if you need a little more legroom; because it reaches the ground when folded, the saddle sits higher in the folded position.
- Telescopic: For taller riders (or sharing with one). Extra height without making the folded bike taller. Not standard because it adds a bit of weight.
16″ Wheel Models (C, P, and T Lines)
The classic Brompton lineup shares the same frame geometry but uses different handlebar heights and stems for a tailored fit:
- Low: Sporty, road-bike-like position; good for shorter riders or those who prefer a flatter bar.
- Mid: The all-rounder—neutral and comfortable for most riders.
- High: Upright and relaxed; great for taller riders or a Dutch-bike feel.
For most people, the Mid handlebar is the sweet spot—upright enough for visibility, low enough for control.
Your Brompton, Covered
Ready to ride. Backed for life. Why Clever Cycles is the best place to purchase a Brompton
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