Main Body---JSK Folding Bike:
1. Bike Size: 20"
2. Bike Frame Material: Al.alloy 6061
3. Bike gears: 7 SPD
4. Bike weight: 11kg
5. Bike Color: optional
6. Bike Brake: V
Seat Post--- FBM_B2 Seat Post Caster set:
1. Construction: 2 sections extensible post
2. Material: Aluminum alloy 6061
3. Diameter: 33.9±0.1 mm
4. Max. Loading: 100 kg
5. Certificate: EN 14764
Fast and easy caster seatpost replacement in 3 minutes.
Let the folded bike stands by you to avoid bike stealing and save the bill of bike storage.
Move the folded bike like a boarding case without exhausted hand carry.
Caster elevation adjustable to fit different folding frame angles.
2 times adjustable seatpost for all families riding.