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Idler Sprocket Pricing
Analysis of 6,358 idler sprocket listings to determine current market value.
What you'll usually pay
$37.99 typical price
Most are between$17–$214
Brand new$38.06
Used$37.99
On sale now6,358
👉 In short easy summary
The best value is found in #25 chain size sprockets, which sit 45% below the market median. Conversely, #80 sprockets are the most expensive, trading at a 116% premium.
💚 Best value for your money
#25 803 on sale$20.9 · 45% cheaper
#35 368 on sale$30.97 · 18% cheaper
#40 709 on sale$35.84 · 6% cheaper
Price by chain size
Why? Prices scale with physical size, ranging from 20.9 for #25 to 81.95 for #80.
🛒 Some on sale right now
Common questions
What is the average cost of an idler sprocket?
The market median price is 37.99.
Which chain size is the most affordable?
The #25 chain size is the cheapest with a median price of 20.9.
How much more do #80 sprockets cost compared to the median?
The #80 size has a median price of 81.95, representing a 116% increase over the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $17–$214, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 31, 2026.