Check to see if the Presta valve is two piece. If the center is removable and the valve is in fact a two piece, QiangBao® can be installed. Simply remove the core, allow the tire to completely deflate and squeeze in QiangBao®. Read more......
What’s the difference between a Presta and Schrader valve?
Schrader is seen more as a standard “car-type” valve while the Presta valve is tapered and often found on high-end performance bicycles. QiangBao® Tire sealant can not be used to Presta valve tires. Read more......
Will QB tire sealant work to repair a cut from glass in my bike tire?
No. Small punctures are an easy fix, but large gashes from glass, metal or a tear are not easy to repair. Any constant bending and flexing of the tire over rough and uneven surfaces will make it much harder for QB sealant to create a sealing plug. Read more......
Can I use QB Tire Sealant in a tire with an inner tube?
QB tire sealant is designed for both tubeless and tube tires. Read more......
With tube tire, please be noted sealing effect is temperary lasts for days or weeks depending ton tube quanlity.
With tubeless tire, QB will seal the punctures permanently as long as your have QB tire sealant stay liquid in