There were about 400m I had to push my bike because of how steep it was. My largest cog is only about half the size of normal rear gears because I brought my bike from the USA and it isn't set up for steep gravel and rock paths. There was about 400 meters that I had to push my bike because of how steep it was. My biggest cog is only half the size of the normal rear gears because I brought my bike from the US and it's not set up for steep gravel and rock trails.