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CHR #40 Roller Chain, 21 Tooth, 1/2" Pitch, 3/4" Bore, 4.78mm Keyway, Carbon Steel, B-Type Hub, 92mm OD - ISO 9001-2000 Certified
AMAZON.COM
Price
$ 19.99
Last price was updated on: 15th Dec 2025, 07:06 PM
Pricing Analytics & Buying Assistance
Price Score:
Excellent!
Poor
Average
Good
Excellent
Current Price
$19.99
$9.99
Lowest
$19.99
Highest
Buying Advice:
Excellent! Buy now. 42% chance price goes up. Buy soon.
Excellent! Buy now. 42% chance price goes up. Buy soon.
Price History Benchmarks
Lowest Ever
$9.99
20th Aug 2025
Highest Ever
$19.99
13th May 2025
Average Price
$18.96
33 data points
Last 3M Low
$17.49
24th Sep 2025
Last 6M Low
$9.99
20th Aug 2025
Last 12M Low
$9.99
20th Aug 2025
Price History Chart
Product Technical Information
| Product Code | B0D87GXYJC |
|---|---|
| Market Place | amazon.com |
| Market Place Name | Amazon.com |
| Rating | 4.8 ( 31 ratings ) |
| Category | Roller Chain Sprockets |
Frequently Asked Questions
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What is the lowest price ever for this product?The lowest price for CHR 40 Roller Chain 21 Tooth 1234 Pitch 3434 Bore 478mm Keyway Carbon Steel B-Type Hub 92mm OD - ISO 9001-2000 Certified was $9.99 on 20th Aug 2025. This is the best recorded deal so far.
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What is the highest price ever for this product?The highest price for CHR 40 Roller Chain 21 Tooth 1234 Pitch 3434 Bore 478mm Keyway Carbon Steel B-Type Hub 92mm OD - ISO 9001-2000 Certified was $19.99 on 13th May 2025. Prices have dropped since then.
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What is the average price of this product?The average price for CHR 40 Roller Chain 21 Tooth 1234 Pitch 3434 Bore 478mm Keyway Carbon Steel B-Type Hub 92mm OD - ISO 9001-2000 Certified is $18.96 (33 data points). This helps you compare current deals.
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What is the lowest price in the last 3 months?In the last 3 months, CHR 40 Roller Chain 21 Tooth 1234 Pitch 3434 Bore 478mm Keyway Carbon Steel B-Type Hub 92mm OD - ISO 9001-2000 Certified reached a low of $17.49 on 24th Sep 2025. Recent price trends may help you decide when to buy.
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Should I buy this product now?Buy now. The price is excellent compared to its history. 42% chance price goes up. Price may increase soon.