
Bike Tube 12"X1.75, Bicycle Inner Tube, Butyl Rubber Tube AV EV DV Fv IV- OEM/ODM. OEM/ODM Customization: Full customization, minor customization, and flexible options available from samples or designs. Butyl Rubber Material: High-quality butyl rubber ensures durability and performance for various bicycle types. ISO Certification: Products meet ISO9001:2008 and ISO14000 standards for quality and environmental management. Multi-Valve Options: Available in AV, EV, DV, FV, and IV valve types to fit diverse bicycle needs. Strict Quality Control: 100% inspection of finished products with careful testing before packing. Fast Delivery: Delivery time typically 7-30 days depending on order quantity. Low MOQ for Samples: Minimum order quantity of 1 piece available for sample checking. Global Logistics: Flexible shipping via FedEx, UPS, EMS, or designated logistics companies.