tyree fitting of less knobbly tires will make the bike usable on tarmac.
knobbly swellings form on the back of the joints (see Figure 6 ).
knobbly mountain bike tires.
The volcanic hills create a knobbly, uneven skyline with many rocky outcrops.
The batter was crisp and very knobbly, and the vegetables dry and not oily, all just as it should be.