Your greatest guess is to measure. Take one entrance nut and one rear nut to a ironmongery store and see what measurement bolt suits kent bike. 9mm and 10mm are the more than likely, however 12mm and 3/8″ are also attainable. Kent Womens Mountain Bike Unless you make a big leap up the worth record,… Continue reading Crankset How To Decide Out A Alternative Rear Derailleur