Nui nā mea holo hou i kūʻai mai i kahikaʻa maunaʻaʻole ʻike i ka ʻokoʻa ma waena o 21-wikiwiki, 24-wikiwiki, a me 27-wikiwiki.A i ʻole ʻike wale ʻo 21-wikiwiki ʻo 3X7, 24-wikiwiki ʻo 3X8, a ʻo 27-wikiwiki ʻo 3X9.Ua nīnau kekahi inā ʻoi aku ka wikiwiki o ke kaʻa mauna 24-wikiwiki ma mua o ka 27-wikiwiki.ʻO kaʻoiaʻiʻo, hāʻawi ka wikiwiki wikiwiki i nā mea holo i nā manawa e koho ai.ʻO ka wikiwiki e pili ana i ka ikaika o ka wāwae, ka hoʻomanawanui a me ke akamai.I ka lōʻihi o kou ikaika nui, ʻaʻole ʻoi aku ka lohi o ka 21-wikiwiki ma mua o ka 24-wikiwiki!ʻEhia mau mile e hiki ai i ke kaʻa kaʻa mauna ke holo?
Ma ke kumumanaʻo, ma ka cadence pedaling hoʻokahi, e holo wikiwiki ana kahi kaʻa 27-wikiwiki ma mua o ka 24-wikiwiki.Akā ʻo ka ʻoiaʻiʻo, me ka lakene kiʻekiʻe, e kaumaha loa ka pedaling, a e emi maoli ka cadence.Inā emi ka cadence, e emi maoli ka māmā.I kekahi manawa, kūʻai kekahi poʻe hoʻomaka i nā kaʻa kaʻa mauna a ʻōlelo lākou, “Maikaʻi koʻu kaʻa, no ke aha ka paʻakikī o ka hele ʻana?” ʻO ke kumu, ʻaʻole ʻo ia i koho i kahi ratio e kūpono iā ia ke holo.

E nānā mua kākou i ka ʻokoʻa ma waena o 21-wikiwiki, 24-wikiwiki a me 27-wikiwiki:

huila kaulahao 21-wikiwiki & wiliwili 48-38-28 huila lele 14~ 28

huila kaulahao 24-wikiwiki a me ka pihi 42-32-22 huila lele 11~ 30(11~ 32)

huila kaulahao 27-wikiwiki a me ka pihi 44-32-22 huila lele 11~ 30(11~ 32)

ʻO ka ratio gear ka helu o nā kaʻa i puʻunaue ʻia e ka helu o nā huila lele

21-wikiwiki kiʻekiʻe kiʻekiʻe lākiō 3.43, haʻahaʻa haʻahaʻa lākiō 1

24-wikiwiki kiʻekiʻe lākiō 3.82, haʻahaʻa haʻahaʻa mīkini lākiō 0.73 (0.69)

27-wikiwiki kiʻekiʻe kiʻekiʻe lākiō 4, haʻahaʻa haʻahaʻa mīkini lākiō 0.73 (0.69)

Mai kēia hiki ke ʻike i ka ʻokoʻa ma waena o lākou.ʻO ka 27-wikiwiki a me ka 24-wikiwiki ka nui a i ʻole ka liʻiliʻi o ka mīkini kaʻa ma mua o ka 21-wikiwiki, hiki iā ʻoe ke holo wikiwiki a hoʻemi i ka hoʻoikaika ʻana.No ka mea, ʻaʻole like ka huila kaulahao 24-wikiwiki me ka 21-wikiwiki, hiki i ka huila liʻiliʻi ke loaʻa i ka lākiō mīkini māmā, ʻo ia ka pōmaikaʻi nui i ka piʻi ʻana.Hiki i ke kaʻa kaʻa 24-wikiwiki ke hoʻokō i ka ratio hoʻouna o 1.07 inā hoʻohana ʻo ia i ka ratio wikiwiki 2X1.Inā he 11 ~ 32 ka huila lele, hiki iā ia ke hoʻokō i ka lākiō hoʻoili o 1 (ʻo ka palena haʻahaʻa haʻahaʻa o kahi 21-wikiwiki ʻo 1).No laila, ʻo ka pōmaikaʻi ma luna o ke kaʻa kaʻa 21-wikiwiki o ka 24-wikiwiki ʻaʻole wale i ka mīkini wikiwiki loa, akā ʻoi aku ka maikaʻi o ke kaʻa lohi, e maʻalahi a ʻoi aku ka ikaika iā ʻoe ke holo ma nā alanui mauna.Manaʻo wale kekahi mea holo hou he ʻoi aku ka wikiwiki o ka keke 24-wikiwiki ma mua o ke kaʻa 21-wikiwiki.Malia paha kakaikahi ka poʻe e puunaue i ka helu o nā niho o kēlā me kēia crank a me ka cassette e ʻike i ka ʻokoʻa.

ʻO ke kaʻa kaʻa mauna 27-wikiwiki, ua like kona huila lele me ka 24-wikiwiki.ʻO ka ʻokoʻa, ʻo ka crank mua nui loa i hoʻoponopono ʻia mai 42 a 44, i kūpono i nā poʻe me ka ikaika kino maikaʻi.ʻO ke kaʻa kaʻa mauna 24-wikiwiki a i ʻole ke kaʻa kaʻa mauna 27-wikiwiki ka ʻokoʻa ma waena o nā ʻāpana like ʻole o ke kaʻa i hoʻonui ʻia i nā hiʻohiʻona maikaʻi aʻe me kona papa.