back on topic,
you can also get ust tyres and rims and you do not need to use any sealant in these systems as the bead locks in to the rims so no need for it, but you can add it if you want.
http://www.bike-discount.de/en/buy/sram-mtb-rear-wheel-rail-50-ust-650b-qr-12x142-162331?currency=3&delivery_country=190&gclid=Cj0KEQjwnIm7BRDSs42KxLS8-6YBEiQAfDWP6H1hKEEkQnmBj6q5TZk1O7v-G7EclxmizSvfg_HM5_YaAmdf8P8HAQ
more here on ust.
http://www.pinkbike.com/news/To-The-Point-UST-Rims-Tires-2013.html
you can also get ust tyres and rims and you do not need to use any sealant in these systems as the bead locks in to the rims so no need for it, but you can add it if you want.
http://www.bike-discount.de/en/buy/sram-mtb-rear-wheel-rail-50-ust-650b-qr-12x142-162331?currency=3&delivery_country=190&gclid=Cj0KEQjwnIm7BRDSs42KxLS8-6YBEiQAfDWP6H1hKEEkQnmBj6q5TZk1O7v-G7EclxmizSvfg_HM5_YaAmdf8P8HAQ
more here on ust.
http://www.pinkbike.com/news/To-The-Point-UST-Rims-Tires-2013.html