Know your Brompton line

Steps to Identify Your Brompton Line:

  1. Look for Branding and Labels: Many Brompton models have labels or decals indicating the line.

  2. Look for Specific Features:

    • Gears: The number and type of gears can indicate the line.
      • A Line: 3-speed gear system.
      • C Line: More versatile gearing, often 2, 3, or 6.
      • P Line: Combination of internal and external gears, typically 4.
      • T Line: High-end and customizable gearing.
    • Material: The use of lightweight materials (e.g., titanium) is more common in the P and T lines.
    • Additional Features: Mudguards, racks, and other accessories are standard on C, P, and T lines but might be minimal on the A line.

  3. Frame and Component Details:

    • Weight: Lighter weight indicates P or T lines.
    • Component Quality: High-end components and materials are a hallmark of the T line.
    • Battery and Motor: If your bike has a battery and motor, it’s an Electric Line

  4. Contact Brompton Support: If you have difficulty identifying the line, contact Brompton's customer support with your bike's serial number. They can provide detailed information about your specific model.

Feature A Line C Line P Line T Line Electric Line
Purpose Basic commuting Versatile, all-around use Performance and speed Ultra-lightweight performance Assisted commuting
Gearing 3-speed 2, 3, or 6-speed 4-speed 4-speed 2 or 6-speed
Weight Approx. 11.5 kg (25.4 lbs) Approx. 11.1 kg (24.5 lbs) - 11.6 kg (25.6 lbs) - 12.1 kg (26.7 lbs) Approx. 9.65 kg (21.3 lbs) Approx. 7.45 kg (16.4 lbs) - 7.95 kg (17.5 lbs) Approx. 15.53 kg (34.2 lbs) - 16.6 kg (36.6 lbs)
Frame Material Steel Steel Steel and titanium Primarily titanium Steel with electric components
Handlebar Types S, M S, M, H, P S, M S, M S, M, H
Price Point Most affordable Mid-range Higher Highest Higher


By examining these characteristics, you can determine which line your Brompton bike belongs to.