How to Choose Correct Stem Length (Bike Fitter explains)
Ifyourreachistoolong,youmayberollingyourpelvisforwardontothesofttissuesatthefrontofyourgrointostretchforthebars.Pins ...,Ifthereachistooshorttheridersitsmuchfurtherbackonthebikeinamorecrampedposition.,Dependsonwhereyourpowerisbestw/rtohipangle.Yo...。參考影片的文章的如下: