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Bike rim: 12 14 16 18 20' steel or aluminum alloy
Bike frame: steel or aluminum alloy and paint
bicycle tire: 1.95, 2.215, 2.5 air tire
Bike sprocket and crank: 24,32,42 T*170 mm CP/ED
Bicycle brakes: caliper brakes or v-brakes
bicycle saddle: good leather
Training wheel: PP or PU flash
Basket: steel or plastic
Bike features
1.Easy to install
2.Eco-friendly materials



Reminder: Due to the different purchase situation and consultation time of each consultant, the following reply is valid for the consultant within 3 days. Other netizens are for reference only.