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+25
+27
Kľuky
Diskuse (41)
Kratšie nohy a požadované frekvenčnejšie točenie (čo je teda riešenie v prípade že nie je sila a výdrž na nejakej extra úrovni) = 170mm kľuky. Aspoň tak to vidím ja.
http://www.bikefitting.com/English/Theory/Crank.aspx
Celkom zaujímavé: http://www.cyclinganalysis.com/annotated-bibliography-c…research/crank-arm-length Hlavne toto: "Trained cyclists (n = 16) performed maximal inertial load cycle ergometry using crank lengths of 120, 145, 170, 195, and 220 mm. Maximum power ranged from a low of 1149 (20) W for the 220-mm cranks to a high of 1194 (21) W for the 145-mm cranks. Power produced with the 145- and 170-mm cranks was significantly (P < 0.05) greater than that produced with the 120- and 220-mm cranks. The optimal pedaling rate decreased significantly with increasing crank length, from 136 rpm for the 120-mm cranks to 110 rpm for the 220-mm cranks. Conversely, optimal pedal speed increased significantly with increasing crank length, from 1.71 m/s for the 120-mm cranks to 2.53 m/s for the 220-mm cranks."
http://www.bikefitting.com/English/Theory/Crank.aspx
Celkom zaujímavé: http://www.cyclinganalysis.com/annotated-bibliography-c…research/crank-arm-length Hlavne toto: "Trained cyclists (n = 16) performed maximal inertial load cycle ergometry using crank lengths of 120, 145, 170, 195, and 220 mm. Maximum power ranged from a low of 1149 (20) W for the 220-mm cranks to a high of 1194 (21) W for the 145-mm cranks. Power produced with the 145- and 170-mm cranks was significantly (P < 0.05) greater than that produced with the 120- and 220-mm cranks. The optimal pedaling rate decreased significantly with increasing crank length, from 136 rpm for the 120-mm cranks to 110 rpm for the 220-mm cranks. Conversely, optimal pedal speed increased significantly with increasing crank length, from 1.71 m/s for the 120-mm cranks to 2.53 m/s for the 220-mm cranks."
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