Originally Posted by
gregf83
Using both brakes is more ‘effective’ at keeping the front and rear brake wear even. For hard braking or emergency stops though using 100% front is correct. Maybe if you can get enough of your weight behind the saddle you could use a little rear brake but the vast majority of weight will be on the front tire and the braking force available from the rear is small.
Now this isn't the gravel forum, but in conditions where in the front tyre will slip before the rear wheel completely "unloads" Id argue some rear wheel braking is better than none at all. That said I almost always brake front only.