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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
For Your Every Summer RSVP, with Code: SUMMER15
Description
21 Tooth 12B Simplex Taper Sprocket to suit 3/4 Inch Pitch ChainTaper bore sprockets are manufactured to internationally recognised standards DIN8187 ISO R 606 and are produced from C45 steel or cast iron. Conveniently stocked with a taper bore to suit standard taperlock bush that are pre bored to suit both metric and imperial bore and key way sizes. Available from stock to suit british standard roller chains from 06B (3 8 inch pitch) to 20B (1. 1 4 inch pitch) sizes in simplex (single) duplex (double) triplex

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 632 reviews
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Product Reviews
★★★★★ 5
Works well!
Color: Grey
Works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Nice
Size: 30" x 18"
Awesome
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025
★★★★★ 5
Recomendado
Color: Grey
Exelente!
Fácil de instalar y muy efectivo para el propósito para el cual lo compré.
Recomendado!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 3
Wobbly
Color: Grey
Wobbly and the metal bars keep coming off. Be aware. I’ve tripped over them. Be careful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Very practical for the price.
Color: Black
Very practical for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026




