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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Promax 4-Bolt Chainring - 45t, 104 BCD, BlackMachined from high end aluminum, Promax 4 bolt 104 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications. CNC Machined from high grade 6061 T6 series aluminum for high strength while providing weight savings Designed to be used with most cranksets and spiders that utilize a 4 bolt 104 BCD chainring Product Specifics Color: Black Ring Position Type: Single Tooth Count:
Machined from high-end aluminum, Promax 4-bolt 104 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications.- CNC Machined from high grade 6061-T6 series aluminum for high strength while providing weight savings
- Designed to be used with most cranksets and spiders that utilize a 4-bolt 104 BCD chainring
Product Specifics
- Color: Black
- Ring Position/Type: Single
- Tooth Count: 45
- Round or Oval: Round
- Drivetrain Speeds: Single Speed 3/32"
- Chainring BCD: 104
- Material: Aluminum
- Defined Color: Black
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 657993341629
EAN: Not available
Manufacturer Part Number: Does Not Apply
CR2075
184124-Q0-L
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
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great job on getting this book published
Format: Paperback
I am looking forward to using this book with my great grandson out in the field to collect our States beautiful rocks. Very detailed and helpful, I don’t think I could have gotten a better book. Thanks for the hard work it took to write it.
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Reviewed in the United States on March 1, 2026
★★★★★ 5
Rocks are clearly a beautiful part of Idaho
Format: Paperback
This is an excellent resource for the casual and hardened rock hound, or collectors of pretty things as they drive through Idaho.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2025
★★★★★ 5
Perfect Gift for a New Resident
Format: Paperback
This Guide is in a first rate series which is well researched, practical and informative. Highly recommended!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2024
★★★★★ 4
Family healthy fun
Format: Paperback
Pretty good have had many adventures w his other books as well
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Reviewed in the United States on March 30, 2021
★★★★★ 5
For the rock hound
Format: Paperback
A fun book for the rock hound. I recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2025
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