Tubeless mountain bike tires certainly improve on their conventional counterparts, but could they perform even better? The OPTIS insert is claimed to help them do so, by serving as an inflatable ...

Odyssey just launched an awesome new MTB tubeless tire liner that offers tunable air chambers with a lightweight package.

More and more, $1,200 mountain bikes are “tubeless-ready” like the Rockhopper above. That means the wheels and (sometimes) tires follow industry standards for safe use without tubes.