XL同步轮
XL同步轮节距：5.08MM
规格	齿数	节径 d	外径 do	档边直径 df	档边内径 db	档边厚度 h
10XL	10	16.17	15.66	22	11	1
11XL	11	17.79	17.28	22	11	1
12XL	12	19.4	18.9	25	15	1
13XL	13	21.02	20.51	25	15	1
14XL	14	22.64	22.13	26	17	1
15XL	15	24.26	23.75	29	19	1
16XL	16	25.87	25.36	29	21	1
17XL	17	27.49	26.98	32	21	1
18XL	18	29.11	28.6	32	21	1
19XL	19	30.72	30.22	34.5	24.5	1
20XL	20	32.34	31.83	37.8	28	1
21XL	21	33.96	33.45	37.8	28	1
22XL	22	35.57	35.07	40	27	1
23XL	23	37.19	36.68	40	27	1
24XL	24	38.81	38.3	44	32	1
25XL	25	40.43	39.92	44	32	1
26XL	26	42.04	41.43	49	29	1
27XL	27	43.66	43.15	48	38	1
28XL	28	45.28	44.77	48	38	1
30XL	30	48.51	48	51	36	1.2
32XL	32	51.74	51.24	61	45	1.2
34XL	34	54.97	54.47	61	45	1.2
36XL	36	58.21	57.7	61	45	1.2
38XL	38	61.45	60.94	64	48	1.2
40XL	40	64.68	64.17	69	54	1.2
42XL	42	67.91	67.41	73	55	1.2
44XL	44	71.15	70.64	78	58	1.2
46XL	46	74.38	73.87	78	58	1.2
48XL	48	77.62	77.11	84	64	1.2
50XL	50	80.85	80.34	90	70	1.2
60XL	60	97.02	96.51	102	83	1.2
72XL	72	116.43	115.92	123	103	1.2