Lunden D7: DAHON's First True Brompton-Style Tri-Fold
The DAHON Lunden D7 is Dahon's first tri-fold bicycle โ a CR-MO chromoly-steel folder with DELTECH bracing, an adjustable handlebar, and a 7-speed drivetrain that quickly converts between softtail and hardtail, easy to push along even while folded.
๐ด Why Riders Love It
- ๐ง Tri-fold design โ Dahon's first Brompton-style folding mechanism
- ๐ Softtail/hardtail convertible โ quickly switch ride feel to suit the road
- ๐ 16" lightweight aluminum rims with KENDA tires
- โ๏ธ 7-speed drivetrain with a smooth trigger shifter
- ๐ชถ 26.9 lbs (12.2 kg) despite the durable CR-MO frame
โ๏ธ Key Features
๐ง Dahon's First Tri-Fold Design
The Lunden D7 introduces DAHON's first true Brompton-style tri-fold mechanism, engineered so it rolls easily along the ground even while folded.
๐ Softtail/Hardtail Conversion
Quickly convert between softtail and hardtail ride characteristics, and the frame suits riders of different heights.
๐ช CR-MO Frame with DELTECH
A durable chromoly steel frame integrates DAHON's DELTECH and Super Down Tube technology for enhanced structural stiffness and power transfer.
โ๏ธ 7-Speed Trigger Shifter
A 7-speed drivetrain (11-24T cassette, 50T aluminum chainring) with a reliable trigger shifter rounds out a versatile daily-commuter build.
๐ Full Technical Specifications
| Model | CUA673 |
|---|---|
| Frame Material | CR-MO (chromoly steel) |
| Handlebar / Handlepost | Aluminum 520mm / Dahon Forged Two-piece CR-MO |
| Wheel / Tire Size | 16" lightweight aluminum rims, KENDA 16 x 1-3/8" tires |
| Drivetrain | 7-speed, 11-24T cassette, aluminum 50T chainring, trigger shifter |
| Brakes | Caliper brake |
| Product Weight | 26.9 lbs (12.2 kg) |
| Payload Capacity | 231 lbs (105 kg) |
| Colors | Red/Black, Silver, Orange/Blue, Matt Pink/Black, and more |
๐ฒ Ride & Handling
As Dahon's first true tri-fold bike, the Lunden D7 is easy to push when folded and quickly converts between softtail and hardtail feel to suit different roads and rider heights. Its CR-MO frame with DELTECH bracing and 7-speed drivetrain make it a versatile daily commuter, at 26.9 lbs despite the more durable steel construction.
๐ How It Compares
| Spec | This DAHON Model | Typical 20" Folding Bike | Brompton-Style Premium Folder |
|---|---|---|---|
| Fold Type | Tri-fold (Brompton-style) | Standard bi-fold | Tri-fold |
| Frame | CR-MO steel | Aluminum (most models) | Steel or titanium |
| Gearing | 7-speed | 6โ8 speed | 2โ6 speed |
| Weight | 26.9 lbs | 26โ30 lbs | 24โ29 lbs |
Competitor figures are publicly listed manufacturer specs at time of writing and may vary by model year.
๐ก๏ธ Why Shop With Us
๐ฆ What's In The Box
- 1x DAHON Lunden D7 Folding Bike (pre-assembled ~90%)
- 1x Folding/quick-release pedals (final install required)
- Owner's manual & warranty card
โ Frequently Asked Questions
What makes the Lunden D7's fold different?
It's Dahon's first true tri-fold (Brompton-style) mechanism, designed to roll easily along the ground while folded.
What's the frame made of?
CR-MO chromoly steel with DELTECH and Super Down Tube bracing for added stiffness.
How many gears does it have?
7-speed, with a trigger shifter.
How much does it weigh?
26.9 lbs (12.2 kg).
What's the payload capacity?
231 lbs (105 kg).
Specifications reflect manufacturer-published data at time of publishing and are subject to change. Always verify fit, range, and load ratings for your specific use case.