C Line 4 Speed Mid Bar + Rack 2026 Folding Bike
Technical specifications
Description
The Brompton C Line 4-speed is a refined steel folding bike that balances everyday practicality with a joyful ride. Updated geometry, modern components and Brompton hand-built quality make it a versatile commuter and travel companion. The folding system converts to a compact package in around 20 seconds, ideal for mixed-mode journeys.
Design & Ride
Thoughtful engineering delivers a smooth, confident ride: a wide-range 4-speed gearing setup and powerful dual-pivot brakes combine for controllable performance. The hand-brazed steel frame and powder-coated finish reflect Brompton’s longstanding craftsmanship.
Portability & Practicality
Lightweight at around 12 kg and folding to a compact 25.3" H x 23" W x 10.6" D, the C Line is simple to carry and store. Included mudguards, rack, reflectors and a Lezyne pump make it commuter-ready, while the front carrier block accepts all Brompton luggage.
Key Features:
Frame & Finish: Precision drawn heat‑treated steel main frame and hand‑brazed rear micro‑alloy tubing with factory powder coating from Brompton’s London facility
Drivetrain: Brompton wide‑range 4‑speed system with 6061 forged aluminium 50T chainset and integrated chainguard, chain pusher and Brompton trigger shifters
Wheels & Tyres: Double‑wall rims with 28 spokes front and rear; rear fitted to Brompton wide‑ratio 2‑speed internal gear hub; Schwalbe Marathon Racer 349 x 35C puncture‑resistant tyres with reflective sidewalls
Brakes & Controls: Brompton dual‑pivot caliper brakes, lock‑on soft‑compound grips, standard saddle and extended 35" seatpost
Folding & Dimensions: Ergonomic folding action (approx. 20 seconds) to 25.3" H x 23" W x 10.6" D; from 12 kg
Hardware & Fittings: Composite hinge clamp levers, composite seat clamp and rear frame clip, square taper bottom bracket, Brompton headset
Accessories Included: Mudguards, rack (Not picutred, but included), reflectors, front carrier block adaptor and Brompton Lezyne pump
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Frequently asked questions
I'd like to buy this item. How do I proceed?
You can buy this bike right now at the asking price. Click and go straight to checkout.
If you'd rather negotiate, here's how it works:
- Make an Offer:
Start by submitting an offer to the seller. You can offer the asking price or suggest a lower amount, it's up to you! The seller will then have the option to accept, decline, or make a counteroffer. - Secure Payment:
Once the seller accepts your offer, you'll receive a payment link via email. You can securely complete your purchase using a credit/debit card, PayPal, or Klarna. - Order Confirmation:
After payment, the seller will receive an order confirmation so they can arrange fulfilment of the bike.
You can either collect the bike in person or arrange to have it shipped to you by our specialist delivery partner.
I'd like to negotiate the price, how do I do this?
Whether you would like to purchase the bike for asking price, or try to get a better deal, we ask all buyers to submit an offer to the sellers first. Once an offer is accepted, you will be sent a payment link to complete the purchase!
- Click the "" button on the listing page.
- Enter your contact details and the amount you'd like to offer.
- The seller will either accept, decline or make a counteroffer.
- You will receive the outcome via email so keep your eyes peeled!
- Once you've agreed on the price, you'll be sent a payment link to complete the purchase.
- Your new bike will be shipped to you!
How can I contact the seller?
If you would like to ask the seller a question about the bike, then please use the Contact seller button above. The seller will receive your question by email.
If you have any questions on shipping, collections or returns, then feel free to reach out to us directly.
How long does delivery take, and how much does shipping cost?
Shipping costs are fixed at £89 no matter where you're living in the U.K.
We aim to deliver your new bike within 4-7 days* of placing an order. Here's the process:
- Once an order is placed, we contact the seller to arrange a suitable date for our delivery partner to collect the bike.
- The bike will then be delivered to you, typically the same day it's been collected from the seller.
- You're ready to ride! Our couriers collect and deliver the bikes without the need for them to be disassembled.
*Please note that delivery times may be longer if the seller is not at home for the couriers to collect the bike within the 4-7 day period.
Can I collect in person?
Yes! You can collect the bike from the seller yourself. We ask that you agree on a price first and follow the standard checkout process before arranging the meet-up.
This ensures that all transactions are completed securely on the MyNextBike platform.
Collection process
- Agree on a price with the seller
- Complete the purchase: You will be sent a payment link to finalise the transaction.
- Select "Collect in Person" at checkout
- Arrange the collection or viewing date
- Confirm whether you leave with the bike
Can I test ride the bike first?
Yes you can! It's the same process as if you are collecting the bike. We ask for buyers to agree a price first and follow the standard checkout process. This ensures that all transactions are completed securely on the MyNextBike platform, allowing us to provide buyer and seller protections.
How does buyer protection work?
Our Buyer Protection policy is in place to prevent any mis-selling on the platform and ensure you get exactly what you paid for! If the bike arrives "not as described", such as there is damage that wasn't disclosed in the listing, or the specifications are wrong, then you can return it to the seller free of charge. Simply contact our support team and we will arrange this for you. To learn more, please read here.