Showa Kikai Shoji Chainring

Made in Japan
Manufacturer: Showa Kikai Shoji

For light load use, made from FC material (cast iron)

Type		Outer diameter	P.C.D	Boss diameter	Boss length	Number of teeth	Mass (kg)
A	W6×100	100	74	50	50	5	1.6
	W6×125	125	103	45	50	7	2
	W6×150	150	132	50	55	9	2.5
	W6×180	180	161	75	55	11	4
	W6×200	200	176	50	55	12	3.5
	W6×200	200	176	75	55	12	5
	W6×230	230	205	50	55	14	4.5
	W6×230	230	205	75	55	14	5
	W6×255	255	234	75	60	16	5.5
	W6×280	280	249	55	60	17	6
	W6×280	280	249	75	60	17	6.5
	W6×305	305	278	55	60	19	6
	W6×305	305	278	75	60	19	7
	W6×355	355	322	75	60	22	8
	W6×380	380	351	60	60	24	9
	W6×405	405	380	75	60	26	10.5
	W6×455	455	424	80	65	29	14
	W6×510	510	483	80	65	33	15
B	W6×550	550	515	80	65	30	16
	W6×600	600	567	80	65	33	18.5
	W6×650	650	619	90	70	36	21
	W6×700	700	670	90	75	39	27
W8×110		110	80.9	60	70	5	2.5
W8×125		125	96.6	75	70	6	3.5
W8×140		140	112.3	75	70	7	5
W8×150		150	128.1	75	70	8	5.5
W8×170		170	143.9	75	70	9	6
W8×190		190	159.8	75	70	10	6.5
W8×200		200	175.6	75	75	11	6.5
W8×220		220	191.5	75	70	12	6.5
W8×250		250	223.3	75	70	14	9
W8×270		270	239.1	75	70	15	9.5
W8×285		285	255.0	75	70	16	10
W8×320		320	286.8	75	70	18	12
W8×350		350	318.6	75	70	20	13.5
W8×430		430	398.1	75	75	25	20
W9×125		125	93.8	80	80	5	5
W9×150		150	112.0	90	80	6	7
W9×160		160	130.3	90	80	7	7.5
W9×180		180	148.6	90	80	8	8
W9×200		200	167.0	90	80	9	8.5
W9×215		215	185.3	90	80	10	9
W9×250		250	222.1	90	80	12	11
W9×290		290	259.0	90	80	14	13
W9×325		325	295.8	90	80	16	15
W9×360		360	332.7	90	80	18	16
W9×425		425	388.0	100	90	21	23
W9×550		550	517.2	100	90	28	33
W13×170		170	122.9	80	100	5	9
W13×190		190	146.8	100	100	6	12
W13×200		200	170.0	100	100	7	13
W13×240		240	194.7	100	100	8	15
W13×265		265	218.8	100	100	9	16.5
W13×290		290	242.9	120	110	10	20
W13×335		335	291.1	110	110	12	23
W13×435		435	387.6	110	110	16	30
W13×460		460	436.0	110	110	18	32
W16×200		200	150.1	100	100	5	12
W16×235		235	179.2	115	100	6	18
W16×295		295	237.8	115	100	8	24
W16×320		320	267.2	115	100	9	27
W16×390		390	326.0	115	100	11	33
W19×250		250	178.3	105	110	5	22
W19×290		290	212.9	140	120	6	30
W19×350		350	282.4	140	120	8	40
W19×385		385	317.3	140	120	9	44