Intro to Power Meters – CycleOps PowerTap SL 2.4

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Karl from Silicon Valley Cycling Center continues our series of intros to power meters by giving his next brief introduction, the CycleOps PowerTap SL 2.4.

The PowerTap measures torque and rotational velocity much like the SRM Powermeter, only it does it wirelessly from the rear hub. Because it’s wireless it presents a very clean and easy installation. The hub unit also determines your cadence by looking at the fluctuation in power levels and calculates the cadence. A speed/cadence sensor is available from Saris for the chain stay that will measure it more accurately via a magnet on the crank. Pricing for the wireless unit is about $1500 MSRP. Saris does offer a wired version that retails for $900.

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More detailed information including technical specifications from Saris.com – click here.
User Reviews of the CycleOps PowerTap SL 2.4 – Click here

Stay tuned for Part 2, where Alex Wheeler will be going over the features and benefits of the Polar CS600 with with Power Cycling Computers W.I.N.D.!

About the author: Thien Dinh

Thien Dinh gained most his cycling knowledge the old fashioned way, by immersing himself in the sport. From 2007 to early 2013, Thien served as RoadBikeReview Site Manager, riding daily while putting various cycling products through its paces. A native of California, Thien also enjoys tinkering with photography and discovering new music.


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  • Brett says:

    Re: incrementally purchasing the PT 2.4 head as a bike computer

    You’re really going to have to be convinced you want a PT, because the PT head sucks as a bike computer. Like you can view either speed or cadence on the middle line and it’s NOT a simple button press to switch between the two. You have to go into the (obtuse) configuration menus to do the switch.

    There are far better bike computers out there. I’m planning on switching to a Cinqo and a Garmin 705 from my current PT SL.

  • JDub says:

    Yeah, like the Cinqo will ever actually be released…. (Tired of waiting)

  • I saw it says:

    I saw the Cinqo at Interbike this year and seemed a bit big. Another pro triathlete and I talked. He liked it. SRM is still top of the range for sure. The CEO was there and he was a very cool person so, if there is a customer service issue you will prob speak to him.

  • Rick says:

    Is there any cheaper power meter ? Less than 150 ? The price seems too high for only a training..

  • Dave says:

    Very unreliable! They will stop working for no reason. Then they want $350 min. just to fix the hub. Mine was never even out in the rain. Junk

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