I run Shinko 700 , is a 50/50 tyre..
For a more roady tyre the Shinko 705 is a 80/20
On gravel use the narrower 120..
Wider the tyre the more it rolls around on top
of the gravel... Narrower tyre cuts though the lose
top easyer to get to the hard base where the grip is..
Shinko 700