Brompton G Line - Folding Bike - Black

The Brompton G Line is a revolutionary folding bike engineered to offer the ride feel of a full-si...

Best current price£2,599.00from Condor Cycles

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Product Information

Full details

The Brompton G Line is engineered for urban commuters and light trail explorers who refuse to compromise on ride quality for the sake of portability. By utilizing 20-inch wheels and a robust, heat-treated steel frame, this bike delivers the stable, smooth feel of a full-size bicycle while maintaining the signature folding convenience of the Brompton brand; however, its larger profile means it occupies more space when folded than traditional 16-inch Brompton models.

All features

Model Part Number5053099476022
BrandBrompton

Extended Product Information

FAQs

Does the G Line fold as small as a standard 16-inch Brompton?

No, because the G Line utilizes 20-inch wheels, the folded dimensions are slightly larger than the classic Brompton models.

Can I use this bike for light off-road riding?

Yes, the G Line is engineered with wider tires and a robust frame capable of handling light trails and gravel paths comfortably.

Is the frame warranty transferable?

The extended 7-year frame warranty is provided upon initial registration by the original owner; refer to Brompton’s terms for specific details.

Are the hydraulic disc brakes high maintenance?

Compared to mechanical rim brakes, hydraulic brakes require less frequent adjustment, though they should be inspected periodically by a professional.

What is the benefit of an internal hub gear system?

Internal hubs are sealed inside the wheel, protecting the gears from dirt, grit, and water, which results in much lower maintenance than an external derailleur.

Troubleshooting

Brakes feel spongy or have reduced stopping power

This often indicates air in the hydraulic lines; the system may require bleeding by a professional bike technician.

Difficulty folding or unfolding the bike

Check that the hinge clamps are clear of grit or debris, and ensure the quick-release pedals are fully disengaged.

Gear shifting feels inconsistent

Adjust the cable tension at the Shimano internal hub shifter to ensure alignment with the gear markers.

Pros and Cons

Pros

  • Superior stability provided by 20-inch wheels
  • Excellent all-weather braking with hydraulic discs
  • Low-maintenance 8-speed internal hub gearing
  • Includes a convenient integrated roller rack
  • High-quality, durable heat-treated steel construction

Cons

  • Larger folded footprint than smaller 16-inch Brompton models
  • Increased weight compared to lighter carbon or compact folding options
  • May require more storage space in tight apartments or transit

Setup, Compatibility & Care

Upon receiving your Brompton G Line, ensure that all quick-release levers are tensioned correctly according to the manual. It is recommended to register your bike on the official Brompton website immediately after purchase to activate your 7-year frame warranty.

Care Instructions:

  • Cleaning: Use a damp cloth to wipe down the steel frame; avoid high-pressure water near the internal hub and disc brake calipers.
  • Lubrication: While the internal hub is low-maintenance, ensure the chain remains clean and lightly lubricated.
  • Storage: While the frame is rust-resistant, indoor storage is highly recommended to prolong the life of the components and hydraulic fluid.
  • Inspections: Periodically check the brake pad wear and ensure the tire pressure is set to the manufacturer's recommended PSI to maintain optimal performance.

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