


Box Two Cosine ChainringWhen you're hitting the sort of leg speeds modern day BMX tracks demand, you want the reassurance that your chainring will run true lap after lap. The Box Components Cosine 4 Bolt Chainring is made in the USA from durable 6061 aluminium with large square shaped cutouts around the perimeter to help save weight, 3 32" teeth with rounded tooth profile to reduce chain wear, laser etched BOX logos and a 4x104mm bolt pattern.
Quick Dispatch:
Your Box Two Cosine Chainring orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Box Two Cosine Chainring ships.
Need Help?
Questions about Box Two Cosine Chainring, sizing, or delivery? We're just an email away.
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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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★★★★★ 5
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Color: Baguette, Size: Large, Color: Baguette, Size: Large
Excellent dog toys! They arrived quickly, look exactly like the pictures, and my dog was excited immediately. Good quality stitching and no weird smell. Perfect for chewing, tossing, and playing fetch indoors. Would buy again!
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good product
Color: Cannoli, Size: Large
Great quality and awesome looking. Easy install.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Love this for our dog
Color: 5 in 1, Size: Small
These are wonderful. They're made well and are the perfect size for small and medium dogs. My yorkie loves them and they're a fun toy to fetch. We love the cannoli and eclair the best since we make those desserts in real life.
Packaged well and shipped fast.
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Reviewed in the United States on April 2, 2026
★★★★★ 4
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Color: 5 in 1, Size: Small
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Great
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