With the Park Tool CC-2 Chain Checker you can quickly and accurately determine the wear (or "stretch") of nearly any bike chain. Simply insert the Chain Checker’s pins into two links, lightly press the swing arm gauge, and then check the gauge window for an accurate reading. The CC-2 is compatible with most single-speed and derailleur chains, including XTR 12-speed chains.Compatible with all bicycle chains. For modern 9 and 10 speed chains, replace chain at or just before the 0.75% readings. For 11 speed chains, replace at or just before the 0.5% reading. Insert the Chain Checker's pins into two links, press the swing arm gauge tight, and check the gauge window for an accurate reading. 5-to-10 speed chains: replace chain at or just before 0.75%. 11-to-12 speed chains*: replace at

Park Tool CC-2 Chain Wear Indicator - Compatible with All Bike Chains & 12-Speed

Reference Number: 6E69W0

Elevate your bike maintenance with the Park Tool CC-2 Chain Wear Indicator - the ultimate tool for assessing chain stretch and extending the lifespan of your bicycle components. Crafted from durable, high-quality materials, this precision-engineered chain checker offers reliable, accurate measurements for all types of bicycle chains, including single-speed, 9-, 10-, 11-, and 12-speed derailleur chains like XTR and SRAM Flattop.

Materials & Construction

Built with rugged, corrosion-resistant metals, the Park Tool CC-2 ensures long-lasting performance in demanding conditions. Its ergonomic design features smooth movement and precise calibration, allowing for easy, one-handed operation.

Performance & Engineering

Designed for speed and accuracy, the CC-2 uses a simple pin insertion method to measure chain wear with a clear gauge window. With compatibility across most modern chain types, it provides immediate feedback, helping riders determine optimal timing for chain replacement to avoid drivetrain damage and maintain optimal shifting performance.

Components & Technology

Equipped with precisely machined pins and a swing arm gauge, the CC-2 accurately reads chain elongation at key wear thresholds: 0.5% for 11-speed chains, 0.75% for 9-10 speed chains, and 1% for single-speed chains. For SRAM 12-speed chains, consider using the dedicated CC-4 for accurate assessment of SRAM Flattop and T-Type chains.

Style & Use Case

Compact, lightweight, and easy to carry in your toolbox or saddle bag, the Park Tool CC-2 is ideal for professional bike shops, serious enthusiasts, and everyday riders. Whether you're performing routine maintenance, diagnosing chain wear before rides, or preparing for a long-distance adventure, this tool provides confidence in your bike's drivetrain health.

Innovative & Differentiating Features

The CC-2's universal compatibility across various chain brands and speeds makes it a versatile must-have. Its simple yet precise operation allows for quick assessments, preventing premature chain replacement and ensuring smoother riding experiences. Rely on Park Tool's reputation for quality and craftsmanship to keep your bicycle performing at its best.

Optimize your bike maintenance routine with the Park Tool CC-2 Chain Wear Indicator - the professional's choice for accurate, reliable chain wear measurement.

  • Accurately measures chain wear and elongation across all bicycle chain types, including , SRAM, and Campagnolo, ensuring optimal drivetrain performance.
  • Made from durable, high-quality materials designed for long-lasting use in shop environments and field testing, providing reliable readings every time.
  • Engineered with precision pins and a swing arm gauge technology for quick, easy, and non-destructive assessments of chain health, reducing guesswork and prolonging chain life.
  • Ideal for modern 9, 10, 11, and 12-speed chains, including XTR 12-speed and SRAM Flattop, with clear reference points for replacement thresholds to maintain drivetrain efficiency.
  • Compact and user-friendly, the Park Tool CC-2 Chain Wear Indicator is an essential tool for bike shops, professional mechanics, and avid cyclists seeking accurate chain condition diagnostics to prevent drivetrain damage and improve cycling performance.
Item Specifications
Tool TypeChain Checker
ModelCC-2
DescriptionChain Wear Tool
ColorBlue/Black
Model NameChain Checker, CC-2

Why 365 Cycles?

365 Cycles is an Authorized Park Tool Dealer, and we offer the Full Park Tool Warranty!

Fast Shipping!

Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



TL7336 .

Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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