Product Details:
Product Model: R3000-9S Single Arm Folding Bike 20 inch
Frame Size: 20 inch
Recommend Height: 153-182cm
Bicycle weight :10.5
Package Size: 80*40*70cm
Specification:
Frame: Carbon Fiber Frame
Fork: Carbon Fiber , Single arm
Handlebar: 22.2*25.4*560mm
Headset: Bearings, 28.6*44*30mm
Stem: Aluminum, Double Section
Saddle: YBT Folding, PU
Seat Post: Water drop shape,500mm
Derailleur/Brake System:
Shift lever:SHIMANO SORA SL-R3000-9S
Rear Derailleur:SHIMANO SORA RD-R3000,GS
Brake caliper: WINZIP, single arm
Brake lever: TEKTRO CL525F-RS, with bell
Transmission Control System:
Freewheel: 9S CASSETTE 11-28T
Crank sets: PROWHEEL, CNC, 45T*170mm
Chain: KMC Z9
Pedals: SANYUN, QR062, Alloy
Wheel set System:
Rim: 451*40MM F/V
Tires:CST 20"
Accessories: Multi Assemble tools, User Manual






![]() |
![]() |
![]() |
![]() |
![]() |
Z0 single speed folding bike | SAVA Z1 9Speed folding bike | Z1 20 Speed folding bike | Z2 folding bike | Z3 single arm folding bike |
14" Carbon | 20" Carbon | 20" Carbon | 16" Carbon | 20inch carbon |
Single-speed | 9-speed Shimano SORA | 20-speed Shimano Tiagra | 9-speed Shimano SORA | SHIMANO SORA 9 Speed |
V brake | Shimano Hydraulic Disc brake | Shimano Hydraulic Disc brake | Shimano Hydraulic Disc brake | Tektro Brake V-Brake |
22 * 24.4inch | 25.6*31.5inch | 25.6*31.5inch | 25.6*28.7inch | 80*72cm |
14.8 lbs | 22 lbs | 22 lbs | 20.5 lbs | 23.32lbs |
KOOTU Z3 carbon folding bike review:https://www.youtube.com/watch?v=OBerP5czN5A&t=25s
Buyer Show:



About shipping ways& tax ?
1.Shipping ways: airline parcel +DPD/UPS, shipping free to USA,Asia,Russia, Japan ! Delivery time is usually about 7-12 Working days to USA, 8-15 Working days to EU.
2: Duty free, VAT free! (Seller do customs clearance process and pay taxes).Taxes free countries:All EU countries, USA,Russia, Japan, and so on.(if your country not listed,contact us!)
3: Bicycle assemble situation : The bicycle is 90% well assembled, before sending out.All you need to do is put on the front wheel, seatpost, and pedals. Yes, the brakes are dialed in and the derailleurs are adjusted: just pump up the tires and go outside to ride.