朝-kg/-%
夜-kg/-%
0/100
rotorクランクをいろいろ勉強。
http://www.ysroad.net/shopnews/detail.php?bid=361940
https://www.diatechproducts.com/rotor_crankset_configuration
https://boncycle.exblog.jp/21071243/
http://www.ysroad.net/shopnews/detail.php?bid=400049
http://www.ysroad.net/shopnews/detail.php?bid=407777
http://ysroad-asazo.com/staffblog/2012/08/rotor.html
https://www.1jyo.com/news/?p=43234
https://www.cyclowired.jp/news/node/154173
あと195日