Originally Posted by
Monster Pete
All this depends on your gearing. If you set the bike up with 3rd gear as a level-ground gear (i.e slightly higher than where 2nd gear typically is) you don't have a problem. When it comes to downhills, you can just coast.
Where did you set 3rd gear? I'm curious as to this because there isn't a cog for sale large enough to bring the gearing down to where 3rd feels comfortable riding all day.