Factory-Direct 300-12 Motorcycle Inner Tube (TR4 Valve) – Premium Rubber Material

With 31 years of professional knowledge in bike rubber components manufacturing, we current the 300-12 internal tube—tailored for B2B purchasers in the internal tube enterprise and tyre aiding sectors. Fitted with the regularly occurring TR4 valve, a popular for 300-12 scooters, mopeds and small-displacement bikes, it offers dependable overall performance for each day commuting, city rides and mild suburban use, withstanding minor street debris, established inflation cycles and temperature fluctuations.

Crafted by our superior extrusion and vulcanization lines, every tube adheres to strict specs: 280g weight and 84mm cross-sectional width, making sure a snug, flawlessly healthy for preferred 300-12 tyres, disposing of set up pinches or leaks. We provide two top rate materials: natural rubber for splendid elasticity, shock absorption and puncture resistance (ideal for common or low temperature climates), and butyl rubber with 25-day steady air retention and robust growing older resistance (perfect for long-term storage and low-maintenance needs).

Every unit undergoes three rigorous inspections: floor assessments for pinholes or uneven thickness, pressure-tank airtightness testing, and TR4 valve performance verification. Our 99.9% qualification fee lets you ship globally besides steeply-priced returns, safeguarding your company recognition in the aggressive tyre helping market.

Packaging is bendy to suit your logistics: every tube is sealed in a thick obvious plastic bag, with outer alternatives of cost effective woven sacks (for bulk shipping) or sturdy cartons (for retail-ready orders). Custom brand printing is accessible for massive batches to align with your branding.

We preserve a stock of 10,000 units—small orders (1000 units) ship in two workdays, bulk orders (2,000+ units) in 5–8 workdays. Partnering with expert freight forwarders, we provide sea/air/express shipping, plus a devoted account supervisor for on-time delivery. As a direct supplier, we reduce middlemen for aggressive pricing, making it a dependable stock answer for distributors.