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A worn bicycle chain can cause poor shifting and expensive drivetrain damage. The Park Tool CC-4.2 Chain Checker is a drop-in gauge that measures chain wear accurately. It contacts the chain in three places, eliminating guesswork. Compatible with 5 to 13-speed and single-speed chains, it indicates wear at 0.5%, 0.75%, and 1.0%, matching manufacturer replacement recommendations.
- Measures bicycle chain wear accurately, preventing expensive drivetrain damage
- Laser-cut design contacts the chain at three points, providing quick and precise wear measurement
- Compatible with 5 to 13-speed derailleur chains and single-speed chains
- Indicates chain wear at 0.5%, 0.75%, and 1.0%, aligning with manufacturer recommendations for replacement
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Return Policy
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At Ascent Outdoors we’re committed to your satisfaction as a customer. We hope to work with you to find the right outdoor products for your adventures!
Online and In-Store Return/Exchange Policy:
- New and unused items in original packaging with tags still attached may be returned within 365 days to receive a full refund, exchange, or store credit. Exceptions apply: See the Garmin policy below.
- Used items may be exchanged for store credit within 30 days of purchase. Shipping fees apply for online orders. Exclusions to Garmin and rock climbing hard and soft goods. If you’re not sure please email us before purchase.
- For your safety, rock equipment including but not limited to rock climbing hardware, harnesses, slings, and ropes cannot be returned at any time. Helmets and shoes may be returned unworn, with tags and in original packaging.
- Please note we charge both sides shipping fees for returns or exchanges for online orders.
Garmin Return/Exchange Policy:
- Please note that Garmin Devices and Watches must be unopened and in their original packaging with tags attached.
- They may be returned within 90 days to receive a refund, exchange, or store credit
- Once taken out from the box or activated - devices/watches cannot be returned or exchanged.
- For any manufacturing defects with your Garmin Device, we can connect you with Garmin Customer Support to facilitate the warranty process and to help troubleshoot the issue.
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