Dahon Jack D7 Folding Bicycle Review
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Dahon Jack D7 Folding Bicycle Review

Dahon Jack D7 Folding Bike Review

Dahon Jack D7 is the full-size folding cycle to help store in a small place. Do not let delays on train or taxi cab prices cause you problem, it truly is the time to hit the road and initiate commuting using Dahon Jack D7.

$749 at Amazon & Prime Eligible

Unboxing and Assembly

Specs and Features

  • Weight: 28.4 lbs (12.9 kg)
  • Folded size: 13.3″ × 36.7″ × 30.8″ (34 × 94 × 79 cm)
  • Speeds: 7
  • Gear Inches: 72″ – 356″
  • Frame sizes: S, M, L
  • Frame: DA Series dalloy aluminum, custom drawn Sonus tubing
  • Fork: Oversized, straight, integrated design
  • Brakes: Promax V, aluminum, linear spring
  • Brake levers: Promax V, aluminum
  • Handlebar: 6061-T6 aluminum, riser, 31.8 mm
  • Front hub: Formula, aluminum, QR
  • Rear hub: Formula Cassette, aluminum, sealed
  • Tires: Schwalbe Big Apple, 26″ x 2.0″, RaceGuard puncture protection, 75 psi
  • Seatpost: Dahon PostPump, 31.6 mm
  • Shifter: SRAM 3.0 Comp
  • Rear derailleur: SRAM X-4, mid-cage
  • Crankset: Dahon Supra forged 6061, 39T
  • Cassette: 11-30T
  • Chain: KMC Z50
  • Bottom bracket: CH, chromoly axle
  • Clip system: Magnetix system
  • Suggested Rider Height: 5’2″ – 5’6″ for size S, 5’6″ – 6′ for size M and 6′ – 6’4″ for size L
  • Max. Rider Weight: 230 lbs (105 kg)

Folding and Unfolding

Performance

The Jack was is designed to go on any pace you select and in order to rotate on anything in the way. Forget about leaving behind your downtown bike in that bicycle garage and getting scratched and nicked. The Jack is manufactured with the solid 7005 aluminum frame and oversize Schwalbe Big Apple tires. Obviously the big tires can help you enjoy the ride better than 20-inch folders, but they also make the bike bulkier and heavier. Having said that, it is still lighter than many small folding bikes and fortunately it still manages to fit inside my car trunk.

The folding/unfolding process is also not as easy as other Dahon folding bikes. The frame hinge is a little stiff and you will always need to bring the included 3-way wrench to adjust the handlebar.

The Jack get 7 gears, it is enough for many riders and also eases the maintenance. If you hate small folding bikes, this is just a perfect choice. While Jack is mainly an urban bike, still it has greater potentials, it can be used for quick commuting around the city, for a short trip towards the café, an evening ride inside park or even touring. This is actually a reliable bike. If you compare it to tiny and expensive Brompton bikes, this is an incredibly good value. Apart from the bulky size, the Jack D7 is obviously more aesthetically pleasing and will also deal with potholes a lot better. I also love that Dahon equip the bike with Raceguard puncture protection on the tires and integrated seatpost pump, it will guarantee you hardly have flat tires during your rides.

The Jack D7 is not really designed for high speed, my average speed is almost the same as on smaller folding bikes while the maximum speed is just a little faster. However, due to its stability as well as durability we all realize that Jack can be the best companion of a man in busy urban roads and rural areas.

Images

Test Ride

Conclusion

Pros

  • There is no need for an extra car rack as it easily fits within the trunk
  • The bigger wheels deliver a smoother riding experience

Cons

  • Very bulky and heavy
  • Tool is required to fold and unfold the bike

The Dahon Jack D7 contains the feel of a powerful cycle and the ease of a folding bike. Don’t get dependent on public transports and feel free with the Dahon Jack D7 folding bike.

Price: $749 at Amazon & Prime Eligible

Check price and read more customer reviews …

Review Overview

Design
8.5
Build Quality
8
Riding Experience
8.5
Mobility
6
7.8

Good

This is a good choice if you need a full-size folding bike.

Comments

  1. Fb

    How is the Jack compared to the Espresso?

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