Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
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For Your Every Summer RSVP, with Code: SUMMER15
Description
50B21H Type B Heat Treated Sprocket for #50 Roller Chain - 21 Tooth - Pick Your Bore Size50B21H Type B Sprocket Finished Bore W Keyway and Set Screws For #50 Roller Chain 21 Tooth Outside Diameter = 4. 520" Pitch Diameter = 4. 194" LTB = 1" Hub Diameter = 3" FREE SHIPPING in Lower 48 States Buy 2 or More Type B Sprockets and Take 10% Off at Checkout! Use coupon code: K1E3BE3RHDZC Coupon not for use with Quantity Discount Items
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.8 ★★★★★
Based on 152 reviews
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Product Reviews
★★★★★ 5
everything ok
Size: Large, Color: Black/Black/Black
everything ok
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Always soft
Size: Medium, Color: Black/Black/Black
Good fit, fast shipping. Love a new sock
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Size
Size: Medium, Color: Black/Black/Black
Fit true to size
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Awesome socks
Excellent socks. Very thick and comfortable
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Reviewed in the United States on January 30, 2026
★★★★★ 5
Nice socks.
Comfortable socks: who could ask for anything more? They seem to be of a nice quality, but I buy socks often so there's a rotation going on. A little pricey, but ankle socks always have that sporty look. Fit well, but kind of thin, which isn't a deal breaker.
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Reviewed in the United States on March 2, 2025
