IMPORTANT Take note: We generally endorse there to generally be 4mm of clearance about whichever tire/wheel combo is mounted to the bike. A climbing bike that could't carve a hairpin is a little bit just like a cup of decaf coffee. This can be the fourth iteration with the R5, https://louiscdzwq.blogvivi.com/27131787/top-latest-five-kids-bicycle-urban-news