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 for All Bicycle & 12-Speed Chains, Accurate Tool

Reference Number: 6E69W0

Upgrade your bicycle maintenance toolkit with the Park Tool CC-2 Chain Wear Indicator, the ultimate chain checker designed for precise, quick, and easy measurement of chain wear across all bicycle types. Whether you ride a single-speed, 9-speed, 10-speed, 11-speed, or 12-speed derailleur, this high-quality tool ensures optimal chain lifespan and performance.

Materials & Durability

Constructed from premium, durable materials, the Park Tool CC-2 features a robust steel pin mechanism and a corrosion-resistant blue and black finish, providing long-lasting reliability through countless maintenance sessions. Its compact and ergonomic design makes it easy to handle and carry, ensuring convenience for professional bike shops and avid cyclists alike.

Performance & Engineering

Engineered for accuracy, the CC-2 uses precise pin insertion into chain links to measure stretch, or "wear," with a clear gauge window displaying the result. Simply insert the pins into two links, lightly press the swing arm gauge, and instantly determine whether your chain has exceeded optimal wear limits. The tool is compatible with most modern bike chains, including XTR 12-speed and SRAM Flattop 12-speed chains, ensuring comprehensive coverage for your customers.

Components & Technology

Featuring advanced measurement technology, the CC-2 indicates chain replacement points at 0.75% for 9- to 10-speed chains and 0.5% for 11- and 12-speed chains. This allows riders to replace their chains before excessive wear causes gear slipping, poor shifting, or chain failure. For single-speed chains, the recommended replacement threshold is 1%, helping maintain smooth and reliable rides.

Style & Use Case

Designed for versatility and ease of use, the Park Tool CC-2 is perfect for professional bike shops, cycling maintenance workshops, and skilled home mechanics. Its sleek blue/black finish and straightforward operation make it a must-have tool for routine chain inspections, ensuring optimal drivetrain performance and prolonging the lifespan of bike components.

Innovative Features & Benefits

- Universal compatibility with nearly all bicycle chains, including modern 9 to 12-speed models

- Precise measurement with easy-to-read gauge window

- Clear replacement benchmarks for different drivetrain configurations

- Compact, lightweight design for portability and convenience

- Suitable for use with SRAM Flattop and T-Type 12-speed chains when used with the CC-4 model

Keep your bike's drivetrain in peak condition with the Park Tool CC-2 Chain Wear Indicator - the trusted choice for accurate, efficient, and reliable chain wear assessment. Maximize your cycling performance and prevent costly repairs with this essential maintenance tool.

  • Accurately measures chain wear and stretch across all bicycle chains, including XTR 12-speed and SRAM Flattop models, ensuring precise maintenance intervals.
  • Constructed with durable, high-quality materials for reliable performance and long-lasting use, even in demanding cycling conditions.
  • Compatible with a wide range of chain speeds from 5 to 12, allowing cyclists to assess wear for single-speed, 9, 10, 11, and 12-speed chains with ease.
  • Easy-to-use design featuring a swing arm gauge and clear gauge window provides quick, accurate readings-perfect for bike shops and DIY maintenance.
  • Innovative, professional-grade engineering helps extend your bike's lifespan by preventing premature chain replacement, reducing wear on other drivetrain components, and optimizing 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!

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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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