KOOTU Z3 Carbon Folding Bike Single Arm Folding Up Bicycle
KOOTU Z3 Carbon Folding Bike Single Arm Folding Up Bicycle
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Size Chart
Size Chart
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Email: kootubike@outlook.com
- 2-Year Warranty
- 14 Days Easy Return
- Free Shipping
The lightest folding bike in the world
Ultra-lightweight carbon fiber frame
The carbon material is often seen in race cars and planes, providing extra resistance and lifetime usage. It would be easy to cycling to travel long distances.
Single arm design
Z3 abandoned the common bicycle fork on the market and changed it to a Special Unique Single Arm design. This design minimises the overall bicycle weight and folded size.
2.0s Efficient Brake Set
KOOTU brings in the most safer brake set idea, with the popular Tektro Brake Lever and WINZIP V-brake on this bike.
It provides smooth control and balance from instant stops, which help reduce cyclist traffic accidents risk.
Smooth Shifting
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Shimano sora shifter levers
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Shimano sora rear derailleur
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9S Cassette 11-28T
Quick-release button
One press to release the rear wheel
Strong Magnet
Tighten both wheels from falling apart
0.25m³Flexible Size
One of the World’s greatest folding bicycle features, 80 * 83 * 38 cm (L*H*W), easy stores in compact living space, or carry to anywhere, by bus or MRT, car trunk, boat or plane.
Immortality, Sustainable & Durable
Prowheel is quality-oriented with integrity management and common build-in for most bicycles for excellence progressive and pragmatic.
A complete interface Crankset design maximises pedal power transfer in a lightweight and efficient design.
Tiny rollers
Smoothly push the folded bike
Adjustable seatpost
An adjustable seatpost folding bike offers personalized riding comfort while maintaining compact portability
Collapsible content
Technical Specifications
| Frame material | Carbon fiber frame |
| Fork | carbon fiber, single arm |
| Handlebar | 22.2*25.4*560mm*6° |
| Stem | Aluminum, double section |
| Saddle | YBT folding, PU |
| Seatpost | drop shape, 500mm. |
| Shifter levers | SHIMANO SORA SL-R3000-9S |
| Rear derailleur | SHIMANO SORA RD-R3000, GS |
| Brake calipers | WINZIP, single arm |
| Brake lever | TEKTRO CL525F-RS with bell |
| Flywheel | 9S cassette 11-28T |
| Crank set | PROWHEEL, CNC, 45T*170mm |
| Chain | KMC Z9 |
| Pedal | Sanyun, QR062, alloy |
| Rims | 451*40MM F/V |
| Tires | CST 20'' |
| Accessories | multiple assembly tools, user manual |
How to assemble the Z3?
"WHY NOT ME"
Starting from the needs of riders, we are committed to providing riders with "professional carbon bikes with cost performance".