Boostor tpu Endurance系列輕量公路車內胎【加厚設計-每日漏氣約2-3psi】

Boostor TPU轻量公路车内胎增强了强度和耐用性，气密性优于大多数同类产品50%以上。

• The description claims that the inner tube has a higher air tightness than most similar products by more than 50%.
• The description claims that the initial pressure loss is about 2-3 psi per day, compared to 5-10 psi for other similar products.