Chifukwa ma sprocket a Type B awa amapangidwa mochulukirachulukira, amakhala okwera mtengo kwambiri kugula kuposa kukonzanso ma sprockets okhala ndi masheya, otopetsanso, ndikuyika makiyi ndi ma setscrews.Finished Bore sprockets akupezeka pa Mtundu wa "B" wa "B" pomwe malowo amatuluka mbali imodzi.