?Comfortable and Safe?After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe. ?Important Note?When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides. ?Easy Installation?Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes. ?High Quality? The bike tube is made from premium butyl rubber.It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation. ?Product Specifications:?compatible with 700X35-43c bicycle tubes.

Wheel Size: 700 Millimeters. Bike Type: Road Bike. Material: Butyl Rubber. Valve Type: Schrader. Brand: YunSCM. Date First Available: September 26, 2020. Best Sellers Rank: #1,864 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 1,532 ratings 4.4 out of 5 stars. : B08K42N6Q9. Part Number: ?YunSCM2020092602. Manufacturer: ?YunSCM. Material: ?Butyl Rubber. Brand Name: ?YunSCM. Package Weight: ?0.38 Kilograms. Item Package Dimensions L x W x H: ?6.18 x 5.91 x 3.15 inches.