Brompton G-Line specifications
The full Brompton G-Line spec sheet in one structured, comparable place: wheels, tyres, drivetrain, frame, weight and folded size. Numbers stay exact; where a figure isn't verified against Brompton yet, the table flags it.
Draft — these specifications are being verified against the official Brompton source and may be incomplete.
| Wheels & tyres | |
|---|---|
| Wheel size | 20" (ETRTO 406) |
| Tyres | Schwalbe G-One All Round 54-406* |
| Tyre clearance | up to 54 mm* |
| Drivetrain | |
| Gears | Shimano Alfine 8-speed hub* |
| Gear range | 307%* |
| Brakes | |
| Brakes | 140 mm hydraulic disc* |
| Frame | |
| Sizes | S / M / L (152–198 cm)* |
| Weight | |
| Claimed weight | 13.9–14.8 kg (varies by build)* |
| Folded size | |
| Folded dimensions | ~690 × 730 × 402 mm (size S)* |