GearRatios1x2x.xlsx

	B	C	D	E	F	G	H	I	J	K	L	M	N
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2		Gear Ratios of typical bike setups
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4			Fastest	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	Easiest
5		Teeth	Outer	Inner	Teeth	Outer	Inner	Teeth	Outer	Inner	Teeth	Outer	Inner
6		Chainring	52	36	Chainring	50	34	Chainring	40	28	Chainring	38	24
7		Sprocket			Sprocket			Sprocket			Sprocket
8	Fastest	11	4.73	3.27	11	4.55	3.09	11	3.64	2.55	11	3.45	2.18
9	/\	13	4.00	2.77	13	3.85	2.62	13	3.08	2.15	13	2.92	1.85
10	/\	15	3.47	2.40	15	3.33	2.27	15	2.67	1.87	15	2.53	1.60
11	/\	17	3.06	2.12	17	2.94	2.00	17	2.35	1.65	17	2.24	1.41
12	/\	19	2.74	1.89	19	2.63	1.79	19	2.11	1.47	19	2.00	1.26
13	/\	21	2.48	1.71	21	2.38	1.62	21	1.90	1.33	21	1.81	1.14
14	/\	24	2.17	1.50	24	2.08	1.42	24	1.67	1.17	24	1.58	1.00
15	/\	28	1.86	1.29	28	1.79	1.21	28	1.43	1.00	28	1.36	0.86
16	/\	32	1.63	1.13	32	1.56	1.06	32	1.25	0.88	32	1.19	0.75
17	Easiest	36	1.44	1.00	36	1.39	0.94	36	1.11	0.78	36	1.06	0.67
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19			Fastest	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	Easiest
20		Teeth	Outer	Inner	Teeth	Outer	Inner	Teeth	Outer	Inner	Teeth	Outer	Inner
21		Chainring	52	36	Chainring	50	34	Chainring	40	28	Chainring	38	24
22		Sprocket			Sprocket			Sprocket			Sprocket
23	Fastest	11	4.73	3.27	11	4.55	3.09	11	3.64	2.55	11	3.45	2.18
24	/\	13	4.00	2.77	13	3.85	2.62	13	3.08	2.15	13	2.92	1.85
25	/\	15	3.47	2.40	15	3.33	2.27	15	2.67	1.87	15	2.53	1.60
26	/\	18	2.89	2.00	18	2.78	1.89	18	2.22	1.56	18	2.11	1.33
27	/\	21	2.48	1.71	21	2.38	1.62	21	1.90	1.33	21	1.81	1.14
28	/\	24	2.17	1.50	24	2.08	1.42	24	1.67	1.17	24	1.58	1.00
29	/\	28	1.86	1.29	28	1.79	1.21	28	1.43	1.00	28	1.36	0.86
30	/\	32	1.63	1.13	32	1.56	1.06	32	1.25	0.88	32	1.19	0.75
31	/\	37	1.41	0.97	37	1.35	0.92	37	1.08	0.76	37	1.03	0.65
32	Easiest	42	1.24	0.86	42	1.19	0.81	42	0.95	0.67	42	0.90	0.57
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34			Fastest	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	Easiest
35		Teeth	Single	Single	Single	Single	Single	Single	Single	Single	Single	Single	Single
36		Chainring	52	50	48	44	40	38	36	34	32	30	28
37		Sprocket
38	Fastest	11	4.73	4.55	4.36	4.00	3.64	3.45	3.27	3.09	2.91	2.73	2.55
39	/\	13	4.00	3.85	3.69	3.38	3.08	2.92	2.77	2.62	2.46	2.31	2.15
40	/\	15	3.47	3.33	3.20	2.93	2.67	2.53	2.40	2.27	2.13	2.00	1.87
41	/\	17	3.06	2.94	2.82	2.59	2.35	2.24	2.12	2.00	1.88	1.76	1.65
42	/\	19	2.74	2.63	2.53	2.32	2.11	2.00	1.89	1.79	1.68	1.58	1.47
43	/\	22	2.36	2.27	2.18	2.00	1.82	1.73	1.64	1.55	1.45	1.36	1.27
44	/\	25	2.08	2.00	1.92	1.76	1.60	1.52	1.44	1.36	1.28	1.20	1.12
45	/\	28	1.86	1.79	1.71	1.57	1.43	1.36	1.29	1.21	1.14	1.07	1.00
46	/\	32	1.63	1.56	1.50	1.38	1.25	1.19	1.13	1.06	1.00	0.94	0.88
47	/\	36	1.44	1.39	1.33	1.22	1.11	1.06	1.00	0.94	0.89	0.83	0.78
48	/\	42	1.24	1.19	1.14	1.05	0.95	0.90	0.86	0.81	0.76	0.71	0.67
49	Easiest	50	1.04	1.00	0.96	0.88	0.80	0.76	0.72	0.68	0.64	0.60	0.56
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51			Fastest	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	< < < <	Easiest
52		Teeth	Single	Single	Single	Single	Single	Single	Single	Single	Single	Single	Single
53		Chainring	52	50	48	44	40	38	36	34	32	30	28
54		Sprocket
55	Fastest	10	5.20	5.00	4.80	4.40	4.00	3.80	3.60	3.40	3.20	3.00	2.80
56	/\	12	4.33	4.17	4.00	3.67	3.33	3.17	3.00	2.83	2.67	2.50	2.33
57	/\	14	3.71	3.57	3.43	3.14	2.86	2.71	2.57	2.43	2.29	2.14	2.00
58	/\	16	3.25	3.13	3.00	2.75	2.50	2.38	2.25	2.13	2.00	1.88	1.75
59	/\	18	2.89	2.78	2.67	2.44	2.22	2.11	2.00	1.89	1.78	1.67	1.56
60	/\	21	2.48	2.38	2.29	2.10	1.90	1.81	1.71	1.62	1.52	1.43	1.33
61	/\	24	2.17	2.08	2.00	1.83	1.67	1.58	1.50	1.42	1.33	1.25	1.17
62	/\	28	1.86	1.79	1.71	1.57	1.43	1.36	1.29	1.21	1.14	1.07	1.00
63	/\	33	1.58	1.52	1.45	1.33	1.21	1.15	1.09	1.03	0.97	0.91	0.85
64	/\	39	1.33	1.28	1.23	1.13	1.03	0.97	0.92	0.87	0.82	0.77	0.72
65	/\	45	1.16	1.11	1.07	0.98	0.89	0.84	0.80	0.76	0.71	0.67	0.62
66	Easiest	51	1.02	0.98	0.94	0.86	0.78	0.75	0.71	0.67	0.63	0.59	0.55
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68					https://blog.discoverthat.co.uk
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