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Park Tool TM-1 Spoke Tension Meter

SALE: $80.70ea.
MSRP:$84.95
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The TM-1 is a must-have tool for keeping spokes properly and uniformly tensioned. It accurately and reliably measures the absolute tension of each of the spokes in a wheel, as well as the relative tension between all the spokes in a wheel. The TM-1 works on nearly any bicycle spoke—no matter what the diameter, material, or shape. Not just for the experienced mechanic, the TM-1 is for anyone building or truing wheels, diagnosing wheel problems, or assembling new bikes.

Weight: 300 grams

Weight: 300 grams

Tool Type: Wheel Tools 

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Reviewed 3/19/2018
by JonW
Cycling Enthusiast
Easy Bay, CA
Value Rating
Overall Rating
Must have item for wheel truing

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.

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Reviewed 3/3/2018
by Camero mike
midwesr
Overall Rating
Best tension meter

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

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Reviewed 1/19/2015
by jervin
Cycling Enthusiast
Gaston, OR
Value Rating
Overall Rating
Does exactly what it is supposed to do

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

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Reviewed 1/8/2015
by PacNW Cyclist
Cycling Enthusiast
Snohomish, WA
Value Rating
Overall Rating
1 of 2 customers found this review helpful.
Makes truing a breeze

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

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Reviewed 4/25/2014
by Anonymous
Cycling Enthusiast
Ashland, Or
Value Rating
Overall Rating
Compact, easy to use tool, takes guesswork out of spoke tension.

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.

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Reviewed 3/3/2014
by smithaca
Cycling Enthusiast
upstate NYS
Value Rating
Overall Rating
0 of 1 customers found this review helpful.
another good tool from Park

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

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Reviewed 6/20/2013
by USA1169
Cycling Enthusiast
Hood River, OR
Value Rating
Overall Rating
15 of 15 customers found this review helpful.
After a lifetime of doing without I bought one on sale... should have done it a long time ago!

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.

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Reviewed 2/25/2013
by sequimboy
Cycling Enthusiast
Sequim,Wa
Value Rating
Overall Rating
2 of 2 customers found this review helpful.
Appears to work well

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.

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Reviewed 4/13/2012
by Retrogetti
Cycling Enthusiast
canada
Value Rating
Overall Rating
5 of 5 customers found this review helpful.
makes wheel building a breeze!

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.

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Reviewed 8/20/2017
by Anonymous
Cycling Enthusiast
Battle Ground, WA
Overall Rating
Vital tool for bulletproof wheels!

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!

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Reviewed 7/22/2013
by Anonymous
Cycling Enthusiast
Virginia
Overall Rating
Essential tool

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!

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Q & A with home mechanic Tommy Tuite.

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