GEAR RATIOS
RATIO	CHAIN RING	COG	RATIO	CHAINRING	COG
62.5	44	19	84.4	50	16
63.9	45	19	84.6	47	15
65.4	46	19	84.9	44	14
66.0	44	18	86.1	51	16
66.8	47	19	86.4	48	15
67.5	45	18	86.8	45	14
68.2	48	19	87.8	52	16
69.0	46	18	88.2	49	15
69.6	49	19	88.7	46	14
69.9	44	17	89.4	46	14
70.5	47	18	90.0	50	15
71.1	50	19	90.6	47	14
71.5	45	17	91.4	44	13
72.0	48	18	91.8	51	15
72.5	51	19	92.6	48	14
73.1	46	17	93.5	45	13
73.5	49	18	93.6	52	15
73.9	52	19	94.5	49	14
74.3	44	16	95.4	53	15
74.6	47	17	95.5	46	13
75.0	50	18	96.4	50	14
75.3	53	19	97.6	47	13
75.9	45	16	98.4	51	14
76.2	48	17	99.0	44	12
76.5	51	18	99.7	48	13
77.5	49	17	100.3	52	14
77.8	49	17	101.3	45	12
78.0	52	18	101.8	49	13
79.2	44	15	102.2	53	14
79.3	47	16	103.5	46	12
79.4	50	17	103.8	50	13
79.5	53	18	105.8	47	12
81.0	45	15	105.9	51	13
81.1	48	16	108.0	48	12
81.2	51	17	108.1	52	13
82.6	52	17	110.1	53	13
82.7	49	16	110.3	49	12
82.8	46	15	112.5	50	12
84.2	53	17	114.8	51	12
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