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Park Tool CC-3.2 Bicycle Chain Checker 5-12 Speed

4.8 out of 5 stars 2,967 ratings
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Package Quantity: 1
Color: Black Set
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Purchase options and add-ons

Color Black Set
Material Alloy Steel
Brand Park Tool
Item dimensions L x W x H 3.25 x 0.25 x 11 inches
Item Weight 50 Grams

About this item

  • 100
  • Accurately measures wear on all 1/2" pitch bicycle chains
  • Compatible with most 5-to-12 speed chains
  • Go/no-go gauge indicates .5% and .75% wear
› See more product details
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Frequently bought together

Park Tool CC-3.2 Bicycle Chain Checker 5-12 Speed
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$10.95
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Sold by Bicycle Addiction and ships from Amazon Fulfillment.
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Top Brand: Park Tool

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Product Description

Park Tool CC-3.2 Bicycle Chain Checker in use

Park Tool CC-3.2 Bicycle Chain Checker

A worn bicycle chain can cause poor shifting and in time can even cause excessive wear to the derailleur and rear cogs, causing a much more expensive problem. That's why bike component manufacturers recommend chain replacement at regular wear intervals. The Park Tool CC-3.2 is a go/no-go gauge designed to accurately indicate when a chain reaches 0.5% and 0.75% wear (or "stretch"), the points at which most chain manufacturers suggest replacement. The CC-3.2 is long, accurate and features permanent measurement markings. The CC-3.2 works on most derailleur chains* from 5 to 12-speed. For 5-to-10-speed chains, replace chain just as the gauge fits the 0.75% side fits flat into the chain. For 11 and 12-speed chain, replace as the 0.5% side fits. Check with manufacturer for specific replacement instructions.

*NOTE: For SRAM AXS 12-speed road chains, use the Park Tool CC-4.

How to Read the CC-3.2

Bicycle chain with zero percent wear as measured by Park Tool CC-3.2 Chain Checker

<0.5% Wear

This chain has less than 0.5% wear, which is acceptable on all derailleur and single-speed drivetrains.

Bicycle chain with zero percent wear as measured by Park Tool CC-3.2 Chain Checker

≥0.5% Wear

This chain has at least 0.5% wear. 11-to-12-speed chains should be replaced at or before this measurement.

Bicycle chain with 0.75 percent wear as measured by Park Tool CC-3.2 Chain Checker

≥0.75% Wear

This chain has at least 0.75% wear. 5-to-10-speed chains should be replaced at or before this measurement.

Park Tool offers several options for measuring chain wear, depending on your needs and drivetrain components:

CC-2
CC-3.2
Park Tool CC-4.2 Bicycle Chain Wear Checker
Customer Reviews
4.8 out of 5 stars 1,514
4.8 out of 5 stars 2,967
4.6 out of 5 stars 43
Price $24.95 $10.95 $17.95
Measurement Style Incremental Reading - 0% to 1% Go/No-Go - 0.5% & 0.75% Go/No-Go - 0.5/0.75/1.0%
Single-Speed Chains ✓ no data ✓
Most 5-to-12 Speed Chains ✓ ✓ ✓
SRAM AXS 12-Speed Chains no data no data ✓
Park Tool vintage chain tool

TRUSTED SINCE 1963

Since our origins in the back of a bike shop in 1963, it has been Park Tool's sole mission to design and manufacture high-quality tools that empower mechanics and riders of all skill levels to service their bicycles. As with our other 500+ tools, our chain tools are a product of our decades of experience and expertise in the industry, in the shop and on the trail.

Product information

Technical Details

Color ‎Black Set
Material ‎Alloy Steel
Brand ‎Park Tool
Item dimensions L x W x H ‎3.25 x 0.25 x 11 inches
Item Weight ‎50 Grams
Included Components ‎Power tools
Number of Pieces ‎1
Folded Size ‎82.55 x 279.4 x 6.35 mm
Drive System ‎Centre Drive
UPC ‎763477001344 744288052985
Global Trade Identification Number ‎00763477001344
Manufacturer ‎Park Tool
Item Package Dimensions L x W x H ‎10.98 x 3.23 x 0.28 inches
Package Weight ‎0.06 Kilograms
Item Dimensions LxWxH ‎3.25 x 0.25 x 11 inches
Brand Name ‎Park Tool
Warranty Description ‎Limited Lifetime Warranty
Model Name ‎QKCC3C
Suggested Users ‎Cycling
Number of Items ‎1
Part Number ‎150892
Model Year ‎2013
Style ‎Silver
Outer Material ‎aluminum
Size ‎Pack of 1
Sport Type ‎cycling

Additional Information

ASIN B000BR3LHQ
Customer Reviews
4.8 out of 5 stars 2,967 ratings

4.8 out of 5 stars
Best Sellers Rank
Date First Available September 12, 2011

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Park Tool CC-3.2 Bicycle Chain Checker 5-12 Speed

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Customer reviews

4.8 out of 5 stars
2,967 global ratings

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Customers say

Customers find the chain checker easy to use and read, with precise measurements and no guesswork involved. The tool is quick to use, with one customer noting it takes mere seconds to complete the check. They appreciate its build quality, noting it will last forever, and consider it a good addition to their cycling tool kit. Customers value its functionality, with one mentioning it's invaluable for home mechanics, and they find it well worth the cost as it saves money on cassette replacement.

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Ease of useFunctionalityTool qualityChain wearBuild qualityValue for moneyAccuracySpeed
169 customers mention "Ease of use"169 positive0 negative

Customers find the chain checker simple to use and read.

"Very simple tool that will help me avoid a broken chain. Every biker should have one." Read more

"...The tool is easy to use, and it works - tested on a brand new and a really old worn chain." Read more

"I think this is one of the simplest tools available. Stamp out a shape and it does what it should do...." Read more

"Quick and easy to use go/no-go gauge. With it being a Park Tool I trust it is accurate but we shall see!" Read more

118 customers mention "Functionality"118 positive0 negative

Customers find that the chain checker works well and is better than expected.

"item exactly as shown. good go-no go tester. I didn't need a measurement, just whether my chain was over the limit and time to replace." Read more

"...The tool is easy to use, and it works - tested on a brand new and a really old worn chain." Read more

"...That's fine. I'm that guy too. So what I can tell you is this works great and will tell you if your chain is wearing out...." Read more

"Worked great" Read more

118 customers mention "Tool quality"118 positive0 negative

Customers find this bicycle chain checker to be a good tool to have, describing it as excellent and a welcome addition to their cycling tool kit.

"...This gauge is quick, light, handy and accurate...." Read more

"Overpriced like all ParkTool tools, but very handy tool for any cyclist to keep up with transmission maintenance...." Read more

"...Very easy to use. An essential tool for any cyclist's workbench. It will quickly pay for itself, a stretched chain will cost chainrings and cogs." Read more

"This is about the most specific tool you can buy...." Read more

110 customers mention "Chain wear"102 positive8 negative

Customers find the chain checker easy to use, making it simple to check for wear and stretch, with one customer noting it allows checking multiple sections of the chain.

"...It does nothing but measure your Road bike chain fitness and let you know if it's time for a chain replacement. That's it. It can't do anything else...." Read more

"Park sells good stuff (usually). This is a simple go-no-go gauge. No moving parts, stamped steel...." Read more

"This is one of a few chain measurement tools that measures at .5 which is the most chain wear you should allow...." Read more

"Bicycle chain measurement tool. Perfect tool for monitoring chain stretch. Park Tools are awesome!" Read more

99 customers mention "Build quality"97 positive2 negative

Customers praise the build quality of the chain checker, noting it is well-made with good materials and will last for a long time.

"Had no idea how ez it is to check chain wear/stretch with this. Solid metal product, so it should last longer than I will...." Read more

"...This is a simple go-no-go gauge. No moving parts, stamped steel. I tried it on old and new chains and it does the job." Read more

"...Quality stuff love park tool." Read more

"Great tool to have , very easy to use , (idiot proof) I caught my chain wear just in time, before it began to wear my cassette...." Read more

90 customers mention "Value for money"74 positive16 negative

Customers find the chain checker to be well worth the cost, as it helps save money on cassette replacement and prevents expensive repairs.

"...Solid metal product, so it should last longer than I will. Price point is decent, so all in all I recommend it." Read more

"As intended. Cheap effective tool that every bike should have in their tool box." Read more

"...Why not? Chains are relatively inexpensive and easy to replace, compare to cassettes..." Read more

"...Easy to use and a great value." Read more

69 customers mention "Accuracy"60 positive9 negative

Customers appreciate the chain checker's accuracy, noting that it provides precise measurements without guesswork.

"...used the eyeball/measuring method which does work but this tool is very accurate and gives one a 'feel' for the chain with the dual measurements..." Read more

"...Much longer in length than other such tools which increases its accuracy. Very easy to use. An essential tool for any cyclist's workbench...." Read more

"...It's a low tech tool that really is a bit of genius. Any serious or semi-serious Fred should own one." Read more

"This handy tool takes the guesswork out of chain maintenance. Sure it is possible to use a good metal ruler to measure a 12" chunk of chain...." Read more

24 customers mention "Speed"24 positive0 negative

Customers appreciate the chain checker's speed, finding it quick and easy to use, with one customer noting it takes mere seconds to complete the measurement.

"...I checked my daughters chain and she is in good shape. This gauge is quick, light, handy and accurate...." Read more

"Quick and easy way to know if the LBS is lying to you about chain stretch." Read more

"Quick and easy to use go/no-go gauge. With it being a Park Tool I trust it is accurate but we shall see!" Read more

"...The main merit is fast and ease of use." Read more

Easy peasy
5 out of 5 stars
Easy peasy
One side indicates 0.5% wear and the other 0.75%. As they say, it's an easy "go no-go" gauge.
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Top reviews from the United States

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  • Jon
    5.0 out of 5 stars chain checker
    Reviewed in the United States on May 3, 2025
    Package Quantity: 1Color: Black SetVerified Purchase
    item exactly as shown. good go-no go tester. I didn't need a measurement, just whether my chain was over the limit and time to replace.
    Helpful
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  • Luis Rigoberto Guzman G
    5.0 out of 5 stars Excelente articulo.
    Reviewed in the United States on March 13, 2025
    Package Quantity: 1Color: Black SetVerified Purchase
    Excelente articulo, justo como fue descrito por el vendedor, envío en los tiempos indicados.
    Helpful
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  • Maht45
    5.0 out of 5 stars It's great
    Reviewed in the United States on January 27, 2025
    Package Quantity: 1Color: Black SetVerified Purchase
    I use 0.5mm for my 8 speed chains.
    As soon as the hardened surfaces of the chain parts are worn out (removed), they must be replaced.
    The rate of the metal removal would be dramatically high after the thin layer of the surfaces are removed, and ruins the whole drive train in a very short time.
    Helpful
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  • Bensage1
    5.0 out of 5 stars It works!
    Reviewed in the United States on January 9, 2025
    Package Quantity: 1Color: Black SetVerified Purchase
    Very simple tool that will help me avoid a broken chain. Every biker should have one.
    Helpful
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  • R. TEMPLIN
    4.0 out of 5 stars Ok
    Reviewed in the United States on March 11, 2025
    Package Quantity: 1Color: Black SetVerified Purchase
    As advertised
    Helpful
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  • jmoonx14
    5.0 out of 5 stars Handy and Accurate Gauge
    Reviewed in the United States on September 16, 2015
    Package Quantity: 1Color: Black SetVerified Purchase
    My Trek hybrid only has 600 miles on it and I am planning a short tour (5 days/200 miles) in October. I knew I needed a spare chain for the ride and I ordered one at the same time as I got this tool. I got this little simple Park Tool gauge in yesterday which I got for a lifetime of biking as I always needed one. I previously used the eyeball/measuring method which does work but this tool is very accurate and gives one a 'feel' for the chain with the dual measurements that it provides.

    So when I got it in I gauged my chain on the lower tensioned side and low and behold the .5% side fell right in. The .75% was very close to doing the same. I was a bit taken aback with the low miles on the chain that it was already this stretched. It was still within tolerances but it was close. The chain was a Shimano and it was the original. I maintain my bikes and clean/lube the chains on a regular basis and use wet ceramic Pro lube. It was what it was though and I verified with the measure method...almost 1/16" stretch in a 12" run. Time for a new chain.

    So as soon as the new chain came in it went on the bike. Now the original Shimano is fitted with a master link and will be the spare for my upcoming trip. As a confirmation of this tool I gauged the new chain on the bike under tension and the .5% isn't even close to going in. I checked my daughters chain and she is in good shape. This gauge is quick, light, handy and accurate. Get one and measure often because a stretched chain will wear your cassette and chainring teeth which will cost you big in the long run. This is especially true for those of us who ride in remote locations and find ourselves far from home while depending on the bike to get us back home or somewhere to else shelter.

    Highly recommended for cyclists.
    30 people found this helpful
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  • Dean
    5.0 out of 5 stars Good quality.
    Reviewed in the United States on November 5, 2024
    Package Quantity: 1Color: Black SetVerified Purchase
    Never used this in all my years of cycling. But it is a must have, I will enjoy preserving my drivetrains for years to come.
    Helpful
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  • Ralph A
    5.0 out of 5 stars Simple and basic
    Reviewed in the United States on November 21, 2024
    Package Quantity: 1Color: Black SetVerified Purchase
    Quick and easy way to know if the LBS is lying to you about chain stretch.
    Helpful
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Top reviews from other countries

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  • Tony Cappadonna
    5.0 out of 5 stars Attrezzo affidabile, semplice e perfetto
    Reviewed in Italy on November 5, 2017
    Package Quantity: 1Color: Black SetVerified Purchase
    In famiglia abbiamo 5 biciclette di varie tipologie, senza contare quelle di amici e parenti. In pratica penso io alla manutenzione di tutte per quanto mi è possibile oppure le porto dal meccanico ciclista amico per i lavori un po' più impegnativi.
    Confrontato l'attrezzino con altri similari lo ritengo molto valido perchè meno tollerante di quelli che illudono di avere una catena ancora buona quando invece era da cambiare già da tempo. Mi riferisco ad attrezzi simili a questo ma che, invece di indicare un allungamento già allo 0,5 %, entrano tra le maglie solo quando l'usura è già allo 0,75 %.
    Allo 0,75 % di allungamento la catena è già da cambiare ed è meglio cambiarla subito a meno di voler poi sostituire come minimo almeno anche il pacco pignoni.
    In passato (remoto) ho commesso più volte l'errore di aspettare QUASI l'indicazione di un altro attrezzo che ancora non passava all' 1,0 % e, tutte le volte, ho dovuto poi cambiare subito anche il pacco pignoni perchè la trasmissione rumoreggiava, grattava e, ogni tanto, la catena scavallava i denti dei pignoni. Si può ben immaginare che in quelle condizioni anche una catena nuova fa presto a "friggersi" lei stessa !!! e ... ci si può anche far male, soprattutto se in mezzo al traffico in strada.
    Ora ho l'abitudine di sostituire le catene subito o poco dopo che questo attrezzo ParkTool 4001186 mi segnala un allungamento dello 0,5 % e i pacchi pignoni digeriscono parecchi cambi di catena. Ovvio che si consumano anche loro usandoli ma molto meno.
    Questo attrezzo è inciso con scritte chiare e indelebili, è in acciaio con nichelatura satinata, pesa 44 grammi (su bilancina elettronica), è lungo 175 mm, largo max 50 mm e spesso 1,9 mm. La finitura è molto soddisfacente pur essendo un oggetto molto semplice.
    Consigliatissimo.
    Report
  • William Lim
    5.0 out of 5 stars Parktool product never disappoint!
    Reviewed in Singapore on October 5, 2022
    Package Quantity: 1Color: Black SetVerified Purchase
    Good tool to check the chain.
    Report
  • Alexander L.
    5.0 out of 5 stars It's another great Park Tool!
    Reviewed in Canada on February 15, 2021
    Package Quantity: 1Color: Black SetVerified Purchase
    What's not to like about this item? This chain wear indicator provides a very precise idea of how much wear one's chain has. In this way, one can easily gauge when his or her chain needs to be replaced, which can end up saving a lot of money in cassette replacement down the road.

    The Park Tool chain wear indicator is more expensive than other off-brand chain wear indicators on Amazon, but in my opinion this one is worth the added expense. Most wear indicators on Amazon test for a chain stretch of either 0.75 or 1%, but this one from Park Tool checks for 0.5 or 0.75% stretch instead. The 0.5% measurement is especially useful for chains that are designed for cassettes with more than 10 cogs, which includes a lot of road bikes. Unless one primarily rides something like a single-speed bike, the Park Tool is way more versatile.
    Report
  • Pedro R.
    5.0 out of 5 stars Herramienta indispensable
    Reviewed in Mexico on January 15, 2021
    Package Quantity: 1Color: Black SetVerified Purchase
    Para mi es importante tener mi bicicleta al 100% y evitar gastos mayores por desgaste de cadena. Esta herramienta es muy facil de usar y util para detectar cuando es necesario reemplazar la cadena de la bicicleta de 12 velocidades. Si una cadena no se reemplaza a tiempo, puede dañar todas las estrellas de los cambios de la bici y arreglar esto es muy costoso.
    Report
  • christ Grand
    5.0 out of 5 stars indicateur usure de chaine
    Reviewed in France on October 11, 2024
    Package Quantity: 1Color: Black SetVerified Purchase
    outil indispensable à avoir pour son velo
    Report