Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK
Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK Detail:
Single-Taper Bushed
No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
Rim Only | Bushing Only | |||||||||
18 | 35BTB18 | 1008 | 2.352 | 2.159 | 1 | 7/8 | 17/8★ | B | .4 | .3 |
19 | 35BTB19 | 1008 | 2.472 | 2.278 | 1 | 7/8 | 113/16 | B | .5 | .3 |
20 | 35BTB20 | 1008 | 2.593 | 2.397 | 1 | 7/8 | 115/16 | B | .6 | .3 |
21 | 35BTB21 | 1008 | 2.713 | 2.516 | 1 | 7/8 | 21/16 | B | .7 | .3 |
22 | 35BTB22 | 1210 | 2.883 | 2.635 | 11/4 | 1 | 23/8★ |
B | .8 | .6 |
23 | 35BTB23 | 1210 | 2.954 | 2.754 | 11/4 | 1 | 27/16 | B | .9 | .6 |
24 | 35BTB24 | 1210 | 3.074 | 2.873 | 11/4 | 1 | 27/16 | B | .9 | .6 |
25 | 35BTB25 | 1210 | 3.194 | 2.992 | 11/4 | 1 | 27/16 | B | 1.2 | .6 |
26 | 35BTB26 | 1610 | 3.314 | 3.111 | 15/8 | 1 | 27/8★ |
B | 1.1 | .9 |
28 | 35BTB28 | 1610 | 3.553 | 3.349 | 15/8 | 1 | 27/8 | B | 1.2 | .9 |
30 | 35BTB30 | 1610 | 3.793 | 3.588 | 15/8 | 1 | 31/8 | B | 1.2 | .9 |
32 | 35BTB32 | 1610 | 4.032 | 3.826 | 15/8 | 1 | 31/4 | B | 1.3 | .9 |
35 | 35BTB35 | 1610 | 4.392 | 4.183 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
36 | 35BTB36 | 1610 | 4.511 | 4.303 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
40 | 35BTB40 | 1610 | 4.990 | 4.786 | 15/8 | 1 | 31/4 | B | 1.9 | .9 |
42 | 35BTB42 | 1610 | 5.229 | 5.018 | 15/8 | 1 | 31/4 | B | 2.0 | .9 |
45 | 35BTB45 | 1610 | 5.588 | 5.376 | 15/8 | 1 | 31/4 | B | 2.1 | .9 |
48 | 35BTB48 | 1610 | 5.946 | 5.734 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
54 | 35BTB54 | 1610 | 6.663 | 6.449 | 15/8 | 1 | 31/4 | B | 2.6 | .9 |
60 | 35BTB60 | 1610 | 7.380 | 7.165 | 15/8 | 1 | 31/4 | B | 3.0 | .9 |
70 | 35BTB70 | 1610 | 8.575 | 8.358 | 15/8 | 1 | 31/4 | B | 3.7 | .9 |
72 | 35BTB72 | 1610 | 8.814 | 8.597 | 15/8 | 1 | 31/4 | B | 3.9 | .9 |
80 | 35BTB80 | 1610 | 9.770 | 9.552 | 15/8 | 1 | 31/4 | B | 4.5 | .9 |
84 | 35BTB84 | 1610 | 10.247 | 10.029 | 15/8 | 1 | 31/4 | B | 4.9 | .9 |
96 | 35BTB96 | 1610 | 11.680 | 11.461 | 15/8 | 1 | 31/4 | B | 6.0 | .9 |
112 | 35BTB112 | 1610 | 13.590 | 13.371 | 15/8 | 1 | 31/4 | B | 7.8 | .9 |
★Has recessed groove in hub for chain clearance
Double-Taper Bushed
No. Teeth | Number | Bushing | De | Dp | Max. Bore | L | C | Type | Weight (Approx.) | |
Rim Only | Bushing Only | |||||||||
19 | D35BTB19H | 1008 | 2.472 | 2.278 | 1 | 7/8 | 153/65 | B | .6 | .3 |
20 | D35BTB20H | 1008 | 2.593 | 2.397 | 1 | 7/8 | 115/16 | B | .8 | .3 |
21 | D35BTB21H | 1008 | 2.713 | 2.516 | 1 | 7/8 | 21/16 | B | 1.4 | .3 |
22 | D35BTB22H | 1008 | 2.833 | 2.635 | 1 | 7/8 | 23/16 | B | 1.7 | .3 |
24 | D35BTB24H | 1210 | 3.074 | 2.873 | 11/4 | 1 | 27/16 | B | 1.8 | .6 |
26 | D35BTB26 | 1210 | 3.314 | 3.111 | 11/4 | 1 | 25/8 | B | 2.0 | .6 |
30 | D35BTB30 | 1610 | 3.793 | 3.588 | 15/8 | 1 | 31/8 | B | 1.8 | .9 |
32 | D35BTB32 | 1610 | 4.032 | 3.826 | 15/8 | 1 | 31/4 | B | 2.0 | .9 |
35 | D35BTB35 | 1610 | 4.392 | 4.183 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
40 | D35BTB40 | 1610 | 4.990 | 4.786 | 15/8 | 1 | 31/4 | B | 2.9 | .9 |
45 | D35BTB45 | 1610 | 5.588 | 5.376 | 15/8 | 1 | 31/4 | B | 3.2 | .9 |
48 | D35BTB48 | 1610 | 5.946 | 5.734 | 15/8 | 1 | 35/8 | B | 3.5 | .9 |
54 | D35BTB54 | 1610 | 6.663 | 6.449 | 15/8 | 1 | 35/8 | B | 3.9 | .9 |
60 | D35BTB60 | 1610 | 7.380 | 7.165 | 15/8 | 1 | 35/8 | B | 4.9 | .9 |
70 | D35BTB70 | 1610 | 8.575 | 8.358 | 15/8 | 1 | 35/8 | B | 6.3 | .9 |
80 | D35BTB80 | 1610 | 9.770 | 9.552 | 15/8 | 1 | 35/8 | B | 7.9 | .9 |
96 | D35BTB96 | 1610 | 11.680 | 11.461 | 15/8 | 1 | 35/8 | B | 9.9 | .9 |
112 | D35BTB112 | 1610 | 13.590 | 13.371 | 15/8 | 1 | 35/8 | B | 10.9 | .9 |
No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
Rim Only | Bushing Only | |||||||||
14 | 41BTB14 | 1008 | 2.49 | 2.249 | 1 | 7/8 | 17/8★ | B | .4 | .3 |
15 | 41BTB15 | 1008 | 2.65 | 2.405 | 1 | 7/8 | 17/8 | B | .5 | .3 |
16 | 41BTB16 | 1008 | 2.81 | 2.503 | 1 | 7/8 | 2 | B | .6 | .3 |
17 | 41BTB17 | 1210 | 2.98 | 2.721 | 11/4 | 1 | 23/8★ |
B | .7 | .6 |
18 | 41BTB18 | 1210 | 3.14 | 2.879 | 11/4 | 1 | 23/8 |
B | .9 | .6 |
19 | 41BTB19 | 1210 | 3.30 | 3.038 | 11/4 | 1 | 21/2 |
B | 1.1 | .6 |
20 | 41BTB20 | 1610 | 3.46 | 3.196 | 15/8 | 1 | 27/8★ |
B | 1.1 | .9 |
21 | 41BTB21 | 1610 | 3.62 | 3.355 | 15/8 | 1 | 3★ | B | 1.2 | .9 |
22 | 41BTB22 | 1610 | 3.78 | 3.573 | 15/8 | 1 | 3 | B | 1.3 | .9 |
23 | 41BTB23 | 1610 | 3.94 | 3.672 | 15/8 | 1 | 3 | B | 1.4 | .9 |
24 | 41BTB24 | 1610 | 4.10 | 3.831 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
25 | 41BTB25 | 1610 | 4.26 | 3.989 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
26 | 41BTB26 | 1610 | 4.42 | 4.148 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
28 | 41BTB28 | 1610 | 4.74 | 4.466 | 15/8 | 1 | 31/4 | B | 1.7 | .9 |
30 | 41BTB30 | 1610 | 5.06 | 4.783 | 15/8 | 1 | 31/4 | B | 1.8 | .9 |
32 | 41BTB32 | 1610 | 5.38 | 5.101 | 15/8 | 1 | 31/4 | B | 1.9 | .9 |
35 | 41BTB35 | 1610 | 5.86 | 5.578 | 15/8 | 1 | 31/4 | B | 2.3 | .9 |
36 | 41BTB36 | 1610 | 6.02 | 5.737 | 15/8 | 1 | 31/4 | B | 2.4 | .9 |
40 | 41BTB40 | 1610 | 6.65 | 6.373 | 15/8 | 1 | 31/4 | B | 2.7 | .9 |
45 | 41BTB45 | 1610 | 7.45 | 7.168 | 15/8 | 1 | 31/4 | B | 3.5 | .9 |
48 | 41BTB48 | 1610 | 7.93 | 7.645 | 15/8 | 1 | 31/4 | B | 4.1 | .9 |
54 | 41BTB54 | 1610 | 8.89 | 8.599 | 15/8 | 1 | 31/4 | B | 4.9 | .9 |
60 | 41BTB60 | 1610 | 9.84 | 9.554 | 15/8 | 1 | 31/4 | B | 5.7 | .9 |
70 | 41BTB70 | 1610 | 11.43 | 11.145 | 15/8 | 1 | 31/4 | B | 7.4 | .9 |
72 | 41BTB72 | 1610 | 11.75 | 11.463 | 15/8 | 1 | 31/4 | B | 8.2 | .9 |
80 | 41BTB80 | 1610 | 13.03 | 12.736 | 15/8 | 1 | 31/4 | B | 9.6 | .9 |
96 | 41BTB96 | 1610 | 15.37 | 15.281 | 15/8 | 1 | 31/4 | B | 13.1 | .9 |
Single-taper Bushed With Hardened Teeth
No.Teeth | Number |
14 | 40BTB14H |
15 | 40BTB15H |
16 | 40BTB16H |
17 | 40BTB17H |
18 | 40BTB18H |
19 | 40BTB19H |
20 | 40BTB20H |
21 | 40BTB21H |
22 | 40BTB22H |
23 | 40BTB23H |
24 | 40BTB24H |
25 | 40BTB25H |
26 | 40BTB26H |
28 | 40BTB28H |
30 | 40BTB30H |
Single-taper Bushed
No.Teeth | Number | Bushing | De | Dp | Max.Bore | L | C | Type | Weight(Approx.) | |
Rim Only | Bushing Only | |||||||||
14 | 40BTB14 | 1008 | 2.491 | 2.2497 | 1 | 7/8 | 113/16★ | B | .3 | .3 |
15 | 40BTB15 | 1008 | 2.652 | 2.405 | 1 | 7/8 | 113/16 |
B | .4 | .3 |
16 | 40BTB16 | 1008 | 2.814 | 2.563 | 1 | 7/8 | 115/16 | B | .5 | .3 |
17 | 40BTB17 | 1210 | 2.975 | 2.721 | 11/4 | 1 | 23/8★ |
B | .5 | .3 |
18 | 40BTB18 | 1210 | 3.315 | 2.879 | 11/4 | 1 | 215/32★ |
B | .6 | .6 |
19 | 40BTB19 | 1210 | 3.296 | 3.038 | 11/4 | 1 | 215/32 | B | .7 | .6 |
20 | 40BTB20 | 1610 | 3.457 | 3.196 | 15/8 | 1 | 225/32★ | B | .7 | .9 |
21 | 40BTB21 | 1610 | 3.617 | 3.355 | 15/8 | 1 | 225/32 | B | .8 | .9 |
22 | 40BTB22 | 1610 | 3.778 | 3.513 | 15/8 | 1 | 225/32 | B | .9 | .9 |
23 | 40BTB23 | 1610 | 3.938 | 3.672 | 15/8 | 1 | 3 | B | 1.0 | .9 |
24 | 40BTB24 | 1610 | 4.098 | 3.831 | 15/8 | 1 | 31/4 | B | 1.4 | .9 |
25 | 40BTB25 | 1610 | 4.258 | 3.989 | 15/8 | 1 | 31/4 | B | 1.5 | .9 |
26 | 40BTB26 | 1610 | 4.418 | 4.148 | 15/8 | 1 | 31/4 | B | 1.7 | .9 |
28 | 40BTB28 | 1610 | 4.738 | 4.466 | 15/8 | 1 | 3 | B | 1.8 | .9 |
30 | 40BTB30 | 1610 | 5.057 | 4.783 | 15/8 | 1 | 3 | B | 1.9 | .9 |
32 | 40BTB32 | 1610 | 5.377 | 5.101 | 15/8 | 1 | 3 | B | 1.9 | .9 |
35 | 40BTB35 | 1610 | 5.855 | 5.578 | 15/8 | 1 | 3 |
B | 2.3 | .9 |
36 | 40BTB36 | 1610 | 6.015 | 5.737 | 15/8 | 1 | 3 |
B | 2.4 | .9 |
40 | 40BTB40 | 1610 | 6.653 | 6.373 | 15/8 | 1 | 3 | B | 2.8 | .9 |
42 | 40BTB42 | 1610 | 6.972 | 6.961 | 15/8 | 1 | 3 | B | 2.9 | .9 |
45 | 40BTB45 | 1610 | 7.451 | 7.168 | 15/8 | 1 | 3 |
B | 3.5 | .9 |
48 | 40BTB48 | 1610 | 7.928 | 7.645 | 15/8 | 1 | 3 |
B | 4.0 | .9 |
54 | 40BTB54 | 1610 | 8.885 | 8.599 | 15/8 | 1 | 3 |
B | 4.9 | .9 |
60 | 40BTB60 | 2012 | 9.841 | 9.554 | 15/8 | 1 | 3 |
B | 6.0 | .9 |
70 | 40BTB70 | 2012 | 11.434 | 11.145 | 2 | 1/4 | 39/16 | B | 8.2 | 1.7 |
72 | 40BTB72 | 2012 | 11.752 | 11.463 | 2 | 1/4 | 39/16 | B | 9.0 | 1.7 |
80 | 40BTB80 | 2012 | 13.026 | 12.736 | 2 | 1/4 | 39/16 | B | 10.8 | 1.7 |
84 | 40BTB84 | 2012 | 13.663 | 13.372 | 2 | 1/4 | 39/16 | B | 11.3 | 1.7 |
96 | 40BTB96 | 2012 | 15.573 | 15.282 | 2 | 1/4 | 39/16 | B | 14.6 | 1.7 |
112 | 40BTB112 | 2517 | 18.122 | 17.828 | 21/2 | 3/4 | 41/4 | B | 20.5 | 1.7 |
Product detail pictures:

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Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK , The product will supply to all over the world, such as: Durban, Paris, France, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.

Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.

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