Sprocket type RS-12B

SPROCKET RS-12B (SINGLE STRAND)
Z	PCD	OD	BD max	HD	HL	W
9	55.70	63	25	43	32	0.2
10	61.65	70	30	49	32	0.27
11	67.62	76	32	51	32	0.33
12	73.60	83	32	51	32	0.41
13	79.60	89	35	57	32	0.46
14	85.61	95	40	62	32	0.52
15	91.63	101	45	68	32	0.62
16	97.65	107	48	73	32	0.72
17	103.67	113	48	73	32	0.83
18	109.70	119	55	83	40	1
19	115.74	126	55	83	40	1.1
20	121.78	132	55	83	40	1.2
21	127.82	138	55	83	40	1.2
22	133.86	144	55	83	40	1.3
23	139.90	150	55	83	40	1.3
24	145.95	156	55	83	40	1.4
25	151.99	162	55	83	40	1.5
26	158.04	168	55	83	40	1.5
27	164.09	174	55	83	40	1.5
28	170.14	180	55	83	40	1.6
29	176.19	187	55	83	40	1.7
30	182.25	193	55	83	40	1.8
31	188.30	199	55	83	40	1.85
32	194.35	205	55	83	40	1.9
33	200.41	211	55	83	40	2
34	206.46	217	55	83	40	2.1
35	212.52	223	55	83	40	2.2
36	218.57	229	55	83	40	2.85
37	224.63	235	55	83	40	2.95
38	230.69	241	55	83	40	3.05
39	236.74	247	55	83	40	3.15
40	242.80	253	55	83	40	3.25
41	248.86	260	63	93	45	3.4
42	254.92	266	63	93	45	3.5
43	260.98	272	63	93	45	3.6
44	267.03	278	63	93	45	3.7
45	273.09	284	63	93	45	3.85
48	291.27	302	63	93	45	4.2
50	303.39	314	63	93	45	4.5
54	327.63	338	63	93	45	5.1
60	363.99	375	63	93	45	6
65	394.30	405	70	107	45	7.4
70	424.61	436	70	107	45	8.3
72	436.73	448	70	107	45	8.7
75	454.92	466	70	107	45	9.35
80	485.23	496	80	117	50	10.5
84	509.48	521	80	117	50	11.5
85	515.54	527	80	117	50	12
90	545.85	557	80	117	50	13.2
92	557.98	569	80	117	50	13.7
95	576.17	587	80	117	50	14.4
96	582.23	593	80	117	50	14.7

SPROCKET RS-12B-2 (DOUBLE STRAND)
Z	PCD	OD	BD max	HD	HL	W
10	61.65	70	20	35	40	0.5
11	67.62	76	22	40	40	0.5
12	73.60	83	25	42	40	0.62
13	79.60	89	30	49	40	0.75
14	85.61	95	32	54	40	0.9
15	91.63	101	38	59	40	1.1
16	97.65	107	42	64	45	1.4
17	103.67	113	45	68	45	1.6
18	109.70	119	48	74	45	1.8
19	115.74	126	55	79	45	2.11
20	121.78	132	57	84	45	2.3
21	127.82	138	60	89	45	2.6
22	133.86	144	63	94	50	3
23	139.90	150	66	99	50	3.5
24	145.95	156	70	105	50	3.8
25	151.99	162	70	105	50	4.2
26	158.04	168	70	105	50	4.5
27	164.09	174	70	105	50	4.8
28	170.14	180	75	110	50	4.1
30	182.25	193	80	120	50	4.8
32	194.35	205	80	120	50	6
35	212.52	223	80	117	50	7
36	218.57	229	80	117	50	7.55
38	230.69	241	80	117	50	8
40	242.80	253	80	117	56	9
42	254.92	266	66	98	56	7
45	273.09	284	66	98	56	7.3
48	291.27	302	66	98	56	8
50	303.39	314	66	98	56	9
54	327.63	338	66	98	63	9.9
60	363.99	375	66	98	63	11.7
70	424.61	436	66	98	63	15