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Park Tool
TM-1 Spoke Tension Meter

  (11 customer reviews)
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Experienced mechanics will tell you accurate and uniform spoke tension is the key to strong and durable wheels. The Park TM-1 is shop quality tool which provides an accurate deflection reading for any type or size of spoke. Essential not just for expert mechanics but anyone building or truing wheels or setting up new bikes.

 

Weight: 300 grams

 

Weight: 300 grams

 

Tool Type: Wheel Tools 

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Vital tool for bulletproof wheels!
rating
by Anonymous
Cycling Enthusiast
Battle Ground, WA

I have been building wheels for 25 years without the Park TM-1. I have built and re-built wheels for my two road bikes, and have built probably 20 wheels. I have never built a rear wheel that hasn't required re-truing after two or three rides, until using the Park TM-1 tool. I wish I had purchased this tool 25 years ago! I rebuilt the rear wheel for my road bike and tensioned the spokes according to the tension chart provided with the tool. I have not needed to re-true the wheel at all since checking and balancing the tension in the spokes - and that was two months and more than a dozen rides ago!

Reviewed 8/20/2017
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Essential tool
rating
by Anonymous
Cycling Enthusiast
Virginia

I previously trued my wheels by freel, and I was shocked when I saw the tension imbalances I had created over time. Now my wheels are true, round and evenly tensioned!

Reviewed 7/22/2013
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Must have item for wheel truing
rating
by JonW
Cycling Enthusiast
Easy Bay, CA

If you are going to true your wheels to get the wobble out then you should also check tension as well. I learned that tension is vital to wheel health. This tension meter works well. Takes a little getting used to on how fast you should release the handle to get the reading but you figure it out after your first wheel. This works hand in hand with Park Tools web page for gathering your measurements. Great resource as well.

I would buy it again as it is pretty indispensable.

Reviewed 3/19/2018
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Best tension meter
rating
by Camero mike
midwesr

Easier to read than dial type meters, flawless construction and useability

Reviewed 3/3/2018
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Does exactly what it is supposed to do
rating
by jervin
Cycling Enthusiast
Gaston, OR

Perfect tool for checking spoke tension. A must have for a wheel builder. Great quality Park Tool.

Reviewed 1/19/2015
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Makes truing a breeze
rating
by PacNW Cyclist
Cycling Enthusiast
Snohomish, WA
1 of 2 customers found this review helpful.

Pricey, but great for truing wheels. Takes away uncertainty.

Reviewed 1/8/2015
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Compact, easy to use tool, takes guesswork out of spoke tension.
rating
by Anonymous
Cycling Enthusiast
Ashland, Or

New wheels, whether machine or hand trued, may arrive with incorrect spoke tensions which can lead to unhappiness. Checking before use is good, and this also takes some of the mystery out of replacing broken spokes on old wheels. Even if you only have one (but why stop there?) set of wheels to maintain, this can still tell you valuable info.

Reviewed 4/25/2014
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another good tool from Park
rating
by smithaca
Cycling Enthusiast
upstate NYS
0 of 1 customers found this review helpful.

sturdy, easy to use, well made. Spoke sizer included as are conversion tables (Englishmetric) and good instructions.

Reviewed 3/3/2014
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After a lifetime of doing without I bought one on sale... should have done it a long time ago!
rating
by USA1169
Cycling Enthusiast
Hood River, OR
15 of 15 customers found this review helpful.

The gauge is spendy but worth it. I used to build wheels and true them by feel. But now that I have this gauge I won't go back. My new approach to an existing wheel is to run through the wheel and get an average reading before I do any truing, then go back through and use small bits of tape to ID spokes that fall way outside the norm.... low tension get tagged down at the hub, high tension get tagged out by the rim. Then when you start working out the issues it becomes really obvious what you need to do.

For new wheels get 90% of the tension on the spokes, set the spoke heads in the hub whatever way you normally do it (hammer, flexing pairs, stepping on the wheel!) then go through and even out all the tensions before doing the last 10%. It will speed things up a lot and you end up with a much stabler finished product.

My only word of caution is to always measure the spokes the same distance from the rim, and release the gauge slowly and smoothly. There is friction in the gauge and if you pop the handle open you will get readings that do not repeat because things are too dynamic.... just be gentle and consistent and the readings will repeat accurately.

Reviewed 6/20/2013
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Appears to work well
rating
by sequimboy
Cycling Enthusiast
Sequim,Wa
2 of 2 customers found this review helpful.

I had been using a friends tension meter and didn't understand how to use it properly. At the risk of using my manhood card, I read the instruction and discovered that my wheels where in better tune that previously believed. The meter comes with a spoke gauge and convertion meter to tension chart which are estential. So is the release motion.

Reviewed 2/25/2013
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makes wheel building a breeze!
rating
by Retrogetti
Cycling Enthusiast
canada
5 of 5 customers found this review helpful.

I bought the TM-1 tension meter to assist in building up a pair of wood rimmed wheels for a retro bike project. The tool was invaluable in assuring that tensions were uniform and as a result the wheels have been solid. This project used steel butted DT spokes. I also used the tool on a Mavic Cosmic Ultimate tubular rear wheel to bring the wheel back into true w even tensions on the flat bladed spokes - again worked like a charm. Wish I'd had something like this when I was building lots of wheels back in the '70s and '80s - its simple to use and cheap compared to what else is out there to do the same thing.

Reviewed 4/13/2012
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