The stans no tubes all mountain 29er tubeless kit allows you to convert your existing 29er wheelset to tubeless using a method developed by stan in the late 200039s with this no tubes tubeless kit it39s easy to convert your wheels and in a much cheaper way than many other tubeless systems available the stans no tubes all mountain 29er tubeless kit gives a reduced tyre rolling resistance while improving traction comfort and control of the bike and giving an incredible protection against