𝟐𝟎''𝐱𝟑.𝟓-𝟒.𝟓: The 20 x 4 fat tire tube is suitable for 20''x 3.5, 20''x 3.6, 20''x 3.8, 20'' x 4.0, 20'' x 4.0 fat inner tubes and comes with 32mm Schrader Valve. Suitable for mountain bikes, gravel, road, city and electric bikes, making it an ideal choice for daily replacement and maintenance.
𝐓𝐡𝐢𝐜𝐤𝐞𝐫 𝐁𝐮𝐭𝐲𝐥 𝐑𝐮𝐛𝐛𝐞𝐫: KYN Design bike tire tube is made of high-quality butyl rubber, which has good airtightness and elasticity, effectively preventing leakage. The thickened sidewall structure provides stronger puncture resistance and wear resistance compared to ordinary inner tubes, extending the bike tire's lifespan.
𝐄𝐚𝐬𝐲 𝐓𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥: Each 20x4 inner tube includes two dedicated tire leverss, which help you easily install and remove the tire tube. The simple operation does not damage the rim or inner tube, significantly saving installation time and effort.
𝐂𝐨𝐦𝐟𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐑𝐢𝐝𝐞: Designed for long-distance riding and challenging road conditions, the butyl rubber bicycle inner tube offers good cushioning, effectively absorbing vibrations and impacts from road bumps and gravel, enhancing riding comfort and stability for more comfortable off-road and commuting rides.
𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐬: 2×inner tubes, 2×tire levers. Note: The 20x4.0 fat tire is wrapped in plastic film. Please avoid using sharp tools to prevent puncturing the inner tubes.