If you want high quality tubes , please choose us. If you want very durable tubes , please choose us. If you want good services , please choose us. Type: Inner Tube Style: Heavy Duty Rim Diameter: 14 Material: Rubber Stem Type: TR4 Section Width: 3.00/3.50 Working time: 08:00 - 18:00 every day including weekends. PREMIUM BRAND REPUTATION: We insist on selling high-quality products. Our brand has gained recognition from many customers and received high product ratings, establishing a superior brand image. COOPERATED QUALIFIED FACTORIES: The factory we cooperate with have not only owns ISO9001 certification, but also DOT and E-Mark certification, which generally factories could not provide. So products are guaranteed and more reassuring. SAME YET DIFFERENT: Why don't you buy a better tube? You just know that we sell the same size, but you don't know theirs manufacturing formula and performance are great different. Only by using and comparing them can we truly understand their differences. COMPATIBLE TYPE: Heavy duty 3.00/3.50-14" inch tube with TR4 straight valve stem. They perfect fits for some 3.00-14 or 3.50-14 or 90/100-14 front tire, Also fits for Honda CRF125/CRF150/CR85, Suzuki DRZ125/RM85, Kawasaki KX85/KX140/KLX125/KLX140, Yamaha TTR125/YZ85 and Coolster TaoTao Razor SYX Moto etc front tires. EXCELLENT CUSTOMER SERVICE: No product is perfect, excellent after-sales service is a strong backing for maintaining brand image. So, please contact us through the Amazon email system to resolve the problem properly which they can't handle.