TZ-B109 Bicycle for Boys Disc Brake New Bike 20” 22”

• FRAME：steel,TIG,painting
• FORK：steel,TIG,painting
• STICKER：outer sticker
• HEAD PARTS：ED
• BB PARTS：medium，46.4mmX1.8MM
• HANDLEBAR：22mmX0.9mm，12"/16" W:480mm 20"W:520mm
• STEM：four points,ED
• GRIP：110mmx22mm
• TIRE：2.5,black tire
• INNER TUBE：2.5,A/V,natural rubber
• RIM：double alloy
• F/HUB：ED
• R/HUB：ED
• SPOKE：ED,14#
• TOOTH PLATE：black 12"24T，16"28T，20"32T
• CRANK：CP,12"89mm，16"102mm，20"114mm
• PEDAL：black,good quality
• F/BRAKE：disc brake
• R/BRAKE：disc brake
• BRAKE LEVER：plastic brake lever
• FREEWHEEL：16T
• SADDLE：leather,good quality
• SEAT POST：ED,25.4mmX180mmX0.8mm
• MUDGUARD：steel mudguard
• CHAIN COVER：plastic chainguard
• BELL：same as picture
• CARRIER:steel