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Dahon Speed Pro TT Folding Bike 27 Speed Rare Road Racing Commuter Like Brompton
Dahon Speed Pro TT 27-Speed High-Performance Folding Bike – The "Mango Rocket"
Looking for a folding bike that actually rides like a premium road bike?
The Dahon Speed Pro TT is a legendary, rare, high-performance machine built for speed, distance, and effortless commuting. Known for its striking mango-yellow finish, this is the upgraded 7005 Butted Aluminium variant, making it lighter, stiffer, and faster off the line than the older steel models. This isn't your average slow-paced folder. It combines a lightweight, stiff frame with a massive 27-speed drivetrain, giving you a gear range that can conquer steep hills and sprint past standard road bikes on the flats.
Dressed in its iconic factory colours, it features a massive 27-speed drivetrain controlled by crisp Shimano Tiagra STI integrated road shifters mounted to distinctive bullhorn bars. It delivers the precise handling, aggressive geometry, and gear range of a premium road race bike, yet packs down in under 30 seconds to fit easily into car boots, trains, or under your desk.
🎁 EXTRAS INCLUDED: This listing also includes the original, UNUSED Dahon factory carry bag (complete with its own compact storage pouch). This makes it entirely train, office, and airline friendly, protecting the bike—and your car boot—from scratches and grease.
Perfect for fast multi-modal commutes, weekend touring, or collectors looking for a standout piece of high-end folding bike history. Absolute bargain compared to cost of new folding bikes!
⚙️ Full Technical Specifications
| Component | Detail |
| Frame | KA Series, 7005 Butted Aluminium Alloy (Custom-drawn Sonus tubing) |
| Hinge System | Patented V-Clamp forged hinge with GreaseFlow technology |
| Drivetrain | 27-Speed SRAM DualDrive (3-Speed Internal Hub x 9-Speed Rear Cassette) |
| Shifters / Levers | Shimano Tiagra Triple STI Dual Control integrated road levers |
| Handlebars / Stem | Kinetix Pro TT Bullhorn bars with Syntace VRO adjustable stem system |
| Wheels | 20” Kinetix Pro lightweight aerodynamic rims with paired spokes |
| Tyres | Schwalbe Durano high-pressure low-resistance tyres |
| Pedals | Shimano Clip-In (SPD) Pedals |
| Accessories | Original, unused Dahon factory carry bag (with integrated storage pouch) |
| Saddle / Post | Kore I-Beam lightweight saddle and post system |
| Weight | Approx. 9.7 kg to 10.3 kg (Noticeably lighter and stiffer than steel variants) |
| Folded Size | Compact 36 x 66 x 80 cm (14" x 26" x 31.5") |
| Folding Time | ~30 Seconds |
🌟 Key Features & Why This Bike Rules:
The Ultimate Gear Range: The SRAM DualDrive internal 3-speed hub allows you to shift gears even when completely stationary—ideal for stop-start city traffic. Combined with the 9-speed cassette, you get the range of a triple-chainset road bike without the chain-drop risk.
Ergonomic Speed: The iconic TT bullhorn bars give you a brilliant aerodynamic tuck for headwinds, but plenty of leverage for out-of-the-saddle climbing. The Shimano Tiagra STI levers mean you brake and shift effortlessly without moving your hands from the bars.
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Premium Build: Built during Dahon’s golden era of performance engineering. Because of the upgraded 7005 aluminium frame, it’s incredibly stable at high speeds down hills, with none of the "flex" or twitchiness associated with cheaper folding bikes.
🔍 Condition & Maintenance
The bike is in very good, clean cosmetic condition, some small marks on paintworks consummate with age and use. It has with tight, solid hinges and smooth folding mechanisms. Happy to add more specific photo's if requested.
To be completely transparent, it requires a small amount of basic recommissioning before being road-ready:
Rear Wheel: It currently needs a single replacement spoke fitted in the rear wheel (the wheel will need a quick trueing once fitted).
Consumables: The Schwalbe Durano tyres and brake blocks are functional, but they are getting older and would benefit from being replaced in the near future to get the bike performing at its absolute best.
Because of the quick spoke job, but factoring in the high-value unused original travel luggage, I have priced this complete package to sell. This is a fantastic opportunity to own a legendary premium folder with all its original kit.
📦 Delivery & Collection:
Collection: Available for collection from Solihull, West Midlands (highly preferred so you can see the bike and test it out).
Postage: [Optional: I have listed collection only but willing to work with buyer. I can box and ship via tracked courier within the UK if the buyer arranges and covers courier costs. Could also deliver/meet if distance not too far. Please message to discuss.]
Don't miss out—these high-performance, aluminium-frame Speed Pro TT models rarely come up for sale in this condition! Happy bidding / buying.