Armour Tubeless inserts displace the small impacts but also offer a spring-like rebound for a smooth yet playful rideImproves sidewall strength and compliance without sacrificing performanceIncreases traction and protect the rim on rough descents and big dropsEasy to install in 5 to 10 minutes without the need for a compressor or extra hands*Minimum inner rim width needed to install the inserts is 19mm700x33-47Single Insert70UPC/EAN/GTIN: 193751005650