Model
|
20" velocity-V Brake( Standard)
|
20" velocity-V Brake(Higher)
|
Frame
|
20" velocity-V
|
20" velocity-V
|
Shifer
|
SMN 4000
|
SMN 4000
|
Rear Derailleur
|
SMN 3500
|
SMN 3500
|
Cassette
|
Xunjie 9s
|
Richi 9s
|
Head Tube
|
35/37mm
|
35/37mm
|
Charning
|
52T square hole
|
53T square hole
|
Chain
|
FSC 9S
|
FSC 9S
|
Brake
|
358
|
AVID SD3
|
Wheelset
|
K-fun Two bearing Hubs
|
K-fun Four bearing Hubs
|
Inner Tire
|
Kenda
|
Kenda
|
Tire
|
WANDAKING 20x1.5
|
Kenda k1045 20x1.25
|