Brompton G Line 8-Speed Bike
$3,500.00
The one-bike solution for the city and beyond, the Brompton G Line 8-Speed Bike is big on ride feel and compact in size so you can take it with you wherever you go and onto all types of surfaces.
Key Details
Wheel Size
20 inches
Number of Gears
8 gear(s)
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- You can run a rack, fenders and bags, add water bottles, and even store your toolkit inside the frame (rack and fenders included; bags, water bottles and toolkit not included)
- Frame geometry is comparable to a full-size bike, yet it transforms into a compact package that stores and travels easily so you can go anywhere
- With the original Brompton fold, the G Line transforms into a compact, locked package in under 20 seconds
- Folding design easily goes on trains, travels in car trunks and stores in small spaces (including 1-person tents)
- Folded Size: 28.3 in. deep x 26.2 in. high x 16 in. wide (72 cm deep x 67 cm high x 41 cm wide)
- Hydraulic disc brakes provide dependable stopping power
- Confidently tackles everything from dusty singletrack to rain-soaked cobblestone roads
- Rigorously tested over 250,000 km to meet industry standards and Brompton standards
- Solidly built 20 in. wheelset comes equipped with custom-made, puncture-resistant tires
- Stay in control with the custom-made handlebar
- Includes wide platform pedals; left pedal can be released with a quick squeeze and pull to make your folded bike even more compact
- Large-diameter front carrier block adaptor for all types of Brompton luggage (not included)
- Comes with reflectors
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
View all Brompton Folding Bikes- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Cycling |
|---|---|
| Frame | Hand-brazed steel main frame |
| Foldable | Yes |
| Step-Through | Yes |
| Bike Suspension | Front / Seat Suspension |
| Fork | Aluminum fork with mounting bosses |
| Crankset | 54T |
| Bottom Bracket | Unavailable |
| Shifters | Microshift |
| Number of Gears | 8 gear(s) |
| Internally Geared | Yes |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Tektro hydraulic disc brakes with 140 mm rotor |
| Brake Levers | Unavailable |
| Rims | Unavailable |
| Front Hub | Unavailable |
| Rear Hub | Shimano Alfine Hub System |
| Wheel Size | 20 inches |
| Tires | Schwalbe G-One All Round 54-406, tan wall |
| Tire Width | 2.15 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Custom Made |
| Stem | Folding |
| Seat Post | M: Brompton Extended L: Brompton Telescopic |
| Saddle | Brompton Superlight |
| Pedals | Wide Platform Quick-Release |
| Headset | Brompton headset |
| Chain | Unavailable |
| Weight | 33 pounds |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
Brompton Bikes (249180)
| M | L | |
|---|---|---|
| Height Range | 5'6"-6'0" | 6'0"-6'6" |
| Reach | 483 | 504 |
| Stack | 687 | 697 |
Sizing Notes
Measurements are stated in millimeters unless otherwise noted.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.