COMPATIBLE TYPE:100/90-19 (4.10 x 19) inch tube with TR4 straight valve stem.They perfect compatible with for some 100/90-19, 4.10 x 19, front and rear tire.
SHOCK ABSORPTION:The thickened butyl rubber inner tube design adds more stretch, shock absorption, impact and puncture resistance, and the smoother ride allows you to experience excellent riding performance; They provide better shock and vibration absorption, ensuring that bumps and drops won't be a big problem.
TR4 STRAIGHT VALVE STEM:Rubber-coated stem enhances seat seal and prevents sand and dust from entering inner tubes and tires. The robust rubber stem seat is also tear resistant, extending valve life.
PACKAGE INCLUDE:100/90-19 (4.10 x 19)" inner tubes (x2)
EXCELLENT CUSTOMER SERVICE:We have excellent customer service, which is how we treat our customers. If you have any questions, please contact us.