1.Certificate :CCC,ISO9001 ,DOT,EMARK,SNI,SONCAP 2.Min order :1x20 container 3.OEM accept Pattern No.901SizePRTT/TLO.D. (mm)S.W. (mm)RIM inchesAir Pressure Kpaload capacity kg4.00-124TT5171052.50X12240290 6TT5171052.50X12280335 8TT5171052.50X123003554.50-124TT5451203.00X12240307 6TT5451203.00X12300355 8TT5451203.00X12400412 4.50-12 bias tricycle tire