Schwalbe Bnb AV1 12 x 1.75 – 12 1/2 x 2 1/4 AV 40mm

Unmatched Durability and Air Retention for Your Ride.

Struggling with frequent tire pressure loss? The Schwalbe bnb AV1 12 x 1.75 – 12 1/2 x 2 1/4 AV 40mm inner tube delivers exceptional reliability and long-lasting air retention. Engineered with a high butyl content and ultra-pure materials, it outperforms standard tubes by maintaining pressure significantly longer. Tested rigorously for 24 hours at the factory, this tube ensures your ride stays smooth and hassle-free, eliminating constant re-inflation and downtime.

Key Features

• High reliability trusted by professional bike retailers.
• 24-hour airtightness test guarantees superior air retention.
• Extremely elastic design fits multiple tire sizes for versatile use.
• Group inner tube system adapts to various dimensions effortlessly.
• 100% fully recyclable for eco-conscious riders.
• Standard model with proven performance over many years.

Technical Specifications

• Model: Schwalbe bnb AV1 12 Inch Auto – AV1/47-203, 50-203, 54-203, 62-203.
• Size compatibility: 12 x 1.75 to 12 1/2 x 2 1/4 inches.
• Valve type: AV (Schrader) 40mm.
• Material: High butyl content with exceptional purity.
• Tested: Factory inflated and 24-hour airtightness verified.
• Design: Group inner tube system for multiple tire size compatibility.
• Elasticity: Extremely flexible to fit various tire widths and diameters.
• Environmental: 100% fully recyclable construction.
• Reliability: Long-standing standard model with proven durability.

Frequently Asked Questions