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.
| Wheels & tyres | |
|---|---|
| Wheel size | 20" (ETRTO 406) |
| Tyres | Schwalbe G-One All Round 54-406 (tubeless-ready) |
| Tyre clearance | Up to 54 mm (stock tyre; no official max) |
| Drivetrain | |
| Gears | Shimano Alfine 8-speed hub |
| Gear range | 307% |
| Brakes | |
| Brakes | Tektro hydraulic disc, 140 mm rotor |
| Frame | |
| Sizes | S / M / L (by rider height) |
| Weight | |
| Claimed weight | From 13.9 kg (no rack) / 14.8 kg with roller frame |
| Folded size | |
| Folded dimensions | 720 × 670 × 410 mm folded (72 × 67 × 41 cm) |
Source: https://www.brompton.com/p/1347/g-line-with-roller-frame-8-speed