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:
Related Product Guide:
In order to best meet client's needs, all of our operations are strictly performed in line with our motto "High Quality, Competitive Price, Fast Service" for Chinese Professional Metal Sprockets - Taper Bore Sprockets per American Standard – GOODLUCK , The product will supply to all over the world, such as: Holland, Bahrain, Mecca, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
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