Tyres with big knobs will eat up your clearance while providing little added comfort (and not as much gripas you'd expect). Fill your clearance with a lower profile but bigger tyre, and then run at as low a PSI as you can for your weight. So a more touring focused tyre may be a better bet.
My 2p
Tyres with big knobs will eat up your clearance while providing little added comfort (and not as much gripas you'd expect). Fill your clearance with a lower profile but bigger tyre, and then run at as low a PSI as you can for your weight. So a more touring focused tyre may be a better bet.