Park ToolCC-2 Chain Checker Tool(Return to Product Page)

You can absolutely check your chain with a simple metal ruler. For me, this tool is worth it, as I have four bicyclists in my household, and a couple of more bikes than that which I regularly maintain. Also, I worked on a lot of extra bikes this summer, helping refurbish them for people, mostly kids in need, and having a gauge that quickly estimated how worn the chain is, and whether the bike could go out that way or needed a new one was a very quick and easy task with this tool.

This product tells you exactly when the chain is due for replacement. Saves money by removing the guesswork.

Easy to use and easy to read. Hands don't get greasy either

This chain checker seems to give the most accurate sense of when to replace a chain. I have two bar-style checkers, which measure different from one another. This one reads closer to the Park CC 3.2 and always reads out above the recommended limit for Shimano chains just about when the chain gets noisy and can't be quieted by lubing. It's sold at descent price and may save you on bigger bills for replacement cogs. Keep riding!

Good to know when chain really needs replacing

This is without a doubt the easiest chain checker on the market. More expensive than the simple one piece metal ones? > Yes, but so easy to use and interpret. If you are your own bike mechanic this is a must have folks for your cycling tool chest.

The options are simple. Either you go to the bike shop when you think your chain is at the end of its life to get it checked or you spend a few bucks and buy this tool. Going to the bike shop is always fun but it will cost you time and money (not including the money spent while at the shop just because you are there and there are lots of cool stuff to buy there). Besides, having the tool handy means you don't wait till it is too late to change the chain and you don't risk ruining the cassette and even the crank.

Great tool. I am able to see exactly the state of the chain. Great product.

Makes checkIng chains a no brainer as compared to using a rulers.

It is easy to use and works

In general, Park tools always seem well built. This chain checker is more than just a 'pass/fail' tool, it gives you an idea of how the chain wear is progressing if you use it several times over the life of the chain. The point of this tool is to replace your chain before it causes undue wear to your cassette - which is of course MUCH more expensive!

Traditional chain checkers only provided limited information. This can tell you with a greater range and accuracy of how worn your chain is.

Does what it is supposed to do. Easy to use.

Stop guessing, and get the tool

before you damage your chainring or sprocket

A chain is less expensive!!!

Not a lot to be said about this tool. It dose exactly what it claims. BTD has the best prices and I end up buying things more often so am I saving money? I doubt it but thats cool. Keep up the good work.

I generally take good care of my bike chain with a cleaning and lube every 2wks. during riding season.

I had 4500mi. on my last chain before I bought this checker and found I still could have added a few more

miles but I replaced anyway. This tool is very easy to use. Happy with my purchase.

It really is made to check the stretchwear of your chain, so it's appropriately named. Very simple to use, and it appears to give a precise measurement to let you make a decision about replacement of your chain. I haven't used the other chain checker from Park (CC-3.2), but this one seems much more accurate by design, so I opted to spend a bit more for it. Park Tool tools don't typically disappoint, and this little guy continues that tradition for me.

Well built easy to use and very accurate

Easy to use and works fabulously. Took it to our group ride and 80% of our riders had worn chance that needed to be replaced.

Easy to use and works fabulously. Took it to our group ride and 80% of our riders had worn chance that needed to be replaced.