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Chain	No.50
Pitch	(P)	15.875 mm
Internal Width	(W)	9.53 mm
Roller Dia.	(Dr)	10.16 mm
Teeth Width	(T)	8.7 mm

Sprocket No.		Outside Dia.Do	Pitch Dia.Dp	Bore Dia.			Hub		Weight(kg)
Type	Z	Outside Dia.Do	Pitch Dia.Dp	Stock Bore	Min.	Max	BD	BL	Weight(kg)
NK50B	8	48	41.48	11.5	13.5	13.5	*22	25	0.12
	9	53	46.42	11.5	13.5	18	*34	25	0.20
	10	58	51.37	14.5	16.5	22	*40	25	0.27
	11	64	56.35	14.5	16.5	28	*45.5	25	0.33
	12	69	61.34	14.5	16.5	30	*50	25	0.41
	13	74	66.34	14.5	16.5	32	*51	25	0.46
	14	79	71.34	14.5	16.5	32	52	25	0.52
	15	84	76.35	14.5	16.5	35	57	25	0.62
	16	89	81.37	14	16	40	62	25	0.72
	17	94	86.39	14	16	45	67	25	0.83
	18	100	91.42	14	16	48	72	28	1.00
	19	105	96.45	14	16	48	73	28	1.10
	20	110	101.48	14	16	48	73	28	1.20
	21	115	106.51	14	16	48	73	28	1.20
	22	120	111.55	16	18	48	73	28	1.30
	23	125	116.58	16	18	48	73	28	1.30
	24	130	121.62	16	18	48	73	28	1.40
	25	135	126.66	16	18	48	73	28	1.50
	26	140	131.70	16	18	48	73	28	1.50
	27	145	136.74	16	18	48	73	28	1.50
	28	150	141.79	16	18	48	73	28	1.60
	29	155	146.83	16	18	48	73	28	1.70
	30	161	151.87	16	18	48	73	28	1.80
	31	166	156.92	16	18	48	73	28	1.85
	32	171	161.96	16	18	48	73	28	1.90
	33	176	167.01	16	18	48	73	28	2.00
	34	181	172.05	16	18	48	73	28	2.10
	35	186	177.10	16	18	48	73	28	2.20
	36	191	182.14	16	18	55	83	35	2.85
	37	196	187.19	16	18	55	83	35	2.95
	38	201	192.24	16	18	55	83	35	3.05
	39	206	197.29	16	18	55	83	35	3.15
	40	211	202.33	16	18	55	83	35	3.25
	41	216	207.38	16	18	55	83	35	3.40
	42	221	212.43	16	18	55	83	35	3.50
	43	226	217.48	16	18	55	83	35	3.60
	44	231	222.53	16	18	55	83	35	3.70
	45	237	227.58	16	18	55	83	35	3.85
	46	242	232.63	16	18	55	83	35	3.96
	47	247	237.68	16	18	55	83	35	4.09
	48	252	242.73	16	18	55	83	35	4.20
	49	257	247.78	16	18	55	83	35	4.35
	50	262	252.83	16	18	55	83	35	4.50
	51	267	257.88	16	18	55	83	35	4.62
	52	272	262.92	16	18	55	83	35	4.76
	53	277	267.97	16	18	55	83	35	4.91
	54	282	273.02	16	18	55	83	35	5.05
	55	287	278.08	16	18	55	83	35	5.20
	56	292	283.13	16	18	55	83	35	5.36
	57	297	288.18	16	18	55	83	35	5.51
	58	302	293.23	16	18	55	83	35	5.67
	60	312	303.33	16	18	55	83	35	6.00
	65	338	328.58	20	22	63	93	40	7.40
	68	353	343.74	20	22	63	93	40	7.94
	70	363	353.84	20	22	63	93	40	8.30
	75	388	379.10	20	22	63	93	40	9.35
	80	414	404.36	20	22	66	98	45	10.50
	85	439	429.62	20	22	66	98	45	12.00
	90	464	454.88	20	22	66	98	45	13.20

Z	S	GD
8	6.4	22
9		29
10		34
11		39
12		44
13		49

NK Standard Sprockets B Type NK50B

NK Standard Sprockets B Type NK50B