Top Grade Rubber Synthetic 4 Layers Underlining Official size as per IRB Specifications WT. 440-450 GMS High Air Retention Bladder
Eco 2 Grade Rubber Synthetic 3 Layers Underlining WT. 430-440 GMS Latex Bladder with butyl valve
Eco Grade Rubber Synthetic 3 Layers Underlining Official size as per IRB Specifications WT. 430-440 GMS Latex Bladder with butyl valve