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Accessories / Tools / Shop Tools
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Park Tool
CC-3.2 Chain Wear Indicator

Mfg PartNum:CC-3.2
$10.95
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A worn chain can prematurely damage drivetrain components and cause inaccurate shifting performance. The CC-3.2 will let you know when it's time for a replacement with a simple design checks for chain wear by measuring the distance between links. Precision laser cut steel. Fits all chain widths and standard 1/2" pitch.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

Ordered by Most Relevant First
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SImple product works as advertised.
by Roadie575
Delaware

Its a Park tool, does what it is supposed to do

Reviewed 5/2/2019
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Simple money saver
by NB Biker
Cycling Enthusiast
San Antonio, TX

I had been replacing chains on an annual basis just because "it's time". I read an article that said we could be wasting money replacing chains to early or causing damage because of waiting too long, so I picked up one of these wear indicators. Easy to use and probably saved me a little money because it shows that the chain I would have replaced is still in proper tolerance.

Reviewed 10/9/2020
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Accurate and easy to use
by Anonymous
Cycling Enthusiast

It was well built, reasonably priced, accurate, and easy to use.

Reviewed 9/14/2018
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Park Chain Tool can save your bacon
by D. Walker
Cycling Enthusiast
97086

At roughly 1,700 miles I had a chain snap while taking off from a stop. When the chain snapped it broke my front Di2 derailleur and luckily I didn't go down in the process or get hit by oncoming traffic. Do yourself a favor and check your chain when your miles start adding up...

Reviewed 12/4/2020
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Great tool to have
by Edz B
West Sacramento CA

Great tool to have, when it's time to replace the bike chain or still have a little bit life left.

Reviewed 12/24/2020
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Easy
by Jeff
iowa

Very easy to use. Seems like a must have for any DIY bike maintenance person.

Reviewed 6/18/2020
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Easy
by Jeff
iowa

Very easy to use. Seems like a must have for any DIY bike maintenance person.

Reviewed 6/19/2020
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simple useful tool
by Anonymous
Daily Commuter
Washington state

Accurate and simple to use

Reviewed 4/25/2020
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Works
by Powermatic
Cycling Enthusiast
Santa Rosa, CA

Not much to say. Works perfectly and it's not flimsy.

Reviewed 1/16/2020
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Simple and Effective
by Frank M
Cycling Enthusiast
Nash County, NC

A simple, quick, and effective way to keep an eye on your chain and assist in maintaining your drive-train system.

Reviewed 10/17/2015
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Not good enough
by Anonymous
Cycling Enthusiast
Dallas, Texas

Checking one's chain is a great idea since in the long run, it saves money. But just buy the Park Tool CC-2 Chain Checker Tool. It is a bit more expensive but much more accurate and provides better wear indication.

Reviewed 8/31/2015
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Easy to use
by NorCal Rider
Cycling Enthusiast
1 of 1 customers found this review helpful.

I finally broke down and purchased one of these. I usually replace my chain every 2000 miles. My current chain is approaching that mileage. I checked it with the CC-3.2 and discovered it is no way close to being worn out. I will save money in the long run.

Nice thing to have in your tool box.

Reviewed 4/25/2015
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Simple to use, gets used often
by Dave Az
Phoenix

Very easy to use, just takes a second to evaluate the chain for wear. Because it's so simple it actually gets used. Seems expensive for what it is but preventive maintenance is cheaper than replacing the cassette

Reviewed 4/10/2015
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Simple yet effective
by Anonymous
Daily Commuter
portland, oregon

Park Tools always work and I have not had any problems, plus it is small enough to travel with. Gono-go tools are the best. You don't need to worry about moving parts or calibration issues.

Reviewed 11/29/2018
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A must to avoid serious problems
by Avid Cyclist
Cycling Enthusiast
Portland, Oregon

Every cyclist needs to know when their chain needs replacing. This tool is an inexpensive tool to have in your box. There are other more costly tools, but I don't know why you would use them when this is more cost effective.

Reviewed 1/5/2015
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A Must Have
by David
Daily Commuter
Portland, OR

Park Tool chain checker is a solid product that just works. To top things off, it's reasonably priced and just as easy to use.

Reviewed 10/18/2018
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Easy to use ... best way to know when to replace chain.
by Anonymous
Cycling Enthusiast
desert
2 of 2 customers found this review helpful.

I relube my bike chains every 100 hrs. The bike shop had me replacing the chain annually but when measuring chain wear using this tool I discovered that the chains showed minimal wear ... I could never come close to engaging the 0.5% wear position. I've subsequently started doing my own bike maintenance and use this tool to ensure that my chain wear never becomes excessive.

Reviewed 2/24/2014
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Didnt know I needed it
by Dpgoodman
Vancouver

Bought not know Ming my chain wear. Found out that I needed a new chain, promptly changed the chain. Helped reduce the noise of my drivetrain

Reviewed 6/14/2018
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Essential for every tool box
by PortlandJay
Competitive Racer
Norcal
3 of 3 customers found this review helpful.

It doesn't get any easier to use. Just slide it into the chain and you'll know instantly if your chain needs to be replaced or not. It has two sides one for really worn out and one for almost worn out which allows you to plan ahead.

Reviewed 10/31/2013
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Quick and easy to use!
by Anonymous
Daily Commuter
Portland

A great away to check chain wear very quickly with no confusion.

Reviewed 5/3/2018
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