model 24*2.125 valve AV/IV/FV-33,40,60,80mm wgt 210g sectional width 50mm model:24*2.125valve:AV/IV/FV-33,40,60,80mmwgt:210gsectional width:50mm Raw material: butyl rubberRubber content>40%Tensile strength>7.5Elongation>450Delivery:30days after placed the orderMOQ:2000PCSPayment: T/T with 30 deposit, the balance should be payed before shipment. 24*2.125 butyl bicycle inner tube