0340ツール・ド・名無しさん垢版 | 栗砲2019/04/27(土) 03:53:12.08ID:dXFSWBaV Schwalbe’s Pressure Prof cleverly calculates ideal tire pressures for MTB riders - Bikerumor https://bikerumor.com/2019/04/26/schwalbes-pressure-prof-cleverly-calculates-ideal-tire-pressures-for-mtb-riders/