... 20". 2.good quality. 3.more than 10 years manufacturing experience 4.attractive design Product description1.frame:steel,painting,argon ... brake5.tyre:12"*1.75, 16*1.75* ,20*1.75/1.95/2.156.tube:air or ... l &crank:12" 24T*89 ,16"28T*102 , 20"28T*1279.pedal:plastic with reflector or without refletor10.saddle ... B type.3pcs12.hand bar:Steel,CP13:mudguard:steel,painting or CP.14.grip:PVC/rubber foam15.carriers: ...