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  • Wahoo Blue SC Cycling Speed and Cadence Sensor for iPhone and Android
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Wahoo Blue SC Cycling Speed and Cadence Sensor for iPhone and Android

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3 new from £70.01
Bluetooth 4.0
  • Track bike speed, pedal rotation (cadence) and lifetime mileage of your road or mountain bike
  • IPhone and Select Android Device Compatibility - the Blue SC connects wirelessly via Bluetooth Smart (4.0) to your iPhone 4S and newer, and select Android devices with Android operating system 4.3 or newer. Please consult the Wahoo website for full details on Android compatible devices
  • Works with the most popular cycling Apps on the market today such as Strava, Cyclemeter, MapMyRide, Runtastic Road Bike, Wahoo Fitness and Wahoo Odometer (both Free on the App store) and more
  • Runs on a replaceable coin cell battery and requires no charging between rides for up to 1 year

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Product details

Size Name: Bluetooth 4.0
  • Product Dimensions: 10.2 x 10.2 x 10.2 cm ; 18 g
  • Boxed-product Weight: 91 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Batteries 1 Lithium Metal batteries required. (included)
  • Item model number: WFBTSC01G
  • ASIN: B007HOGNLW
  • Date first available at Amazon.co.uk: 6 Jun. 2012
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (64 customer reviews)
  • Amazon Bestsellers Rank:
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Product Description

Size Name: Bluetooth 4.0

Product Description

Transform your Smartphone into a powerful cycling computer with the Wahoo Blue SC for your iPhone 4S and newer models, and select Android devices. The Wahoo Blue SC connects wirelessly via Bluetooth Smart (4.0) to your smartphone and tracks your cycling speed, pedaling cadence, and distance through the free Wahoo Fitness App, and other popular iPhone Apps such as Cyclemeter, Strava, MapMyRide and Runtastic Road Bike. The Blue SC mounts on the rear chain stay and uses spoke and crank magnets to track bike speed and pedal rotations per minute.

Precision Speed, Distance and Cadence sent wirelessly to your smartphone in real-time
Works with select iPhone and Android devices through Bluetooth 4.0 technology
Precision Speed, Cadence, and Distance Measurements

GPS speed and distance data can be inaccurate and unreliable. The Wahoo Blue SC measures cycling speed, distance traveled and pedaling cadence based on actual tire and pedal rotations and sends this data to your smartphone app in real time. Your smartphone is now a viable replacement for an expensive bike computer.

Connect with Popular Apps

Watch your cycling stats in real-time as you ride with the free Wahoo Fitness App for iPhone and Android. Additionally, the Blue SC is also compatible with other top cycling apps for the iPhone such as Strava, Runtastic Road Bike and Mountain Bike, Cyclemeter, and MapMyRide.

Upload and Share Cycling Data

The Wahoo Fitness App allows you to upload your ride data to popular training websites such as TrainingPeaks, MapMyRide, Nike+, GarminConnect and Strava so you can analyze and track your fitness over time. You can also email data files to coaches and friends.

iPhone and Android Compatibility

This device works with the iPhone 4S and newer, iPod Touch (5th generation), iPad (3rd and 4th generations), and select Android devices with Bluetooth 4.0 and the 4.3 operating system and newer.

Works with Strava
How It Works

Installation of the Blue SC is an easy five-minute process, with step-by-step instructions available on wahoofitness. com.


Additional Features
  • Durable and Rugged - the Blue SC is water and shock proof, thanks to IPX7 certification.
  • No Recharge Needed - the Blue SC runs on a replaceable coin cell battery and lasts up to 12 months.
  • Wireless Connectivity - the Blue SC is enabled with Bluetooth 4.0 (Smart) technology, sending and receiving signals up to 10 feet (unobstructed).

Box Contains

  • Blue SC sensor

  • Mounting rubber bands


  • Crank arm magnet


  • Spoke magnet.


  • Customer Questions & Answers

    Customer Reviews

    4.3 out of 5 stars

    Most Helpful Customer Reviews

    3 of 3 people found the following review helpful By Copse on 23 Oct. 2014
    Size Name: Bluetooth 4.0 Verified Purchase
    The unit is well engineered and was straightforward to fit. The web installation video is clear and concise. I used the cable ties and so far the unit has remained firmly in place, although it has only been tested on a turbo trainer so far... so it should. It found my iPad first time via Bluetooth and immediately interfaced to Wahoo Fitness and the 'Race My Ghost' app I had downloaded. For a minimal investment I now have a working cyclometer on a stationary bike to add feedback to workout sessions. Apps like Race my Ghost potentially take a basic Turbo Trainer into the domain of much more expensive units. Sadly, some of the more experiential apps appear to be of the monthly rental variety. However, even these basic apps have the potential give those turbo training sessions a new dimensions of interest and motivation.
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    4 of 4 people found the following review helpful By n8udd on 13 Aug. 2014
    Size Name: Bluetooth 4.0
    The device works well, but the setup is a pain.

    As it comes, you are expected to take your pedal off of your bike in order to fit the cadence magnet onto the crank arm. Be careful of this, as you wont want to tighten the pedal too much when you put it back on.

    As it is, I bought a separate magnet from eBay that simply magnetises to the crank arm instead.
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    1 of 1 people found the following review helpful By Cyclingfrenz1 on 3 April 2014
    Size Name: Bluetooth 4.0 Verified Purchase
    Easy to install and get working from the outset. It syncs quickly and easily with my iphone and so is always ready to start nearly as soon as I open up strava. Need to remember to turn off bluetooth at the end so as not to drain the battery is the only drawback.
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    1 of 1 people found the following review helpful By Geoff S. on 30 Aug. 2013
    Size Name: Bluetooth 4.0 Verified Purchase
    Much better measurement of speed than the GPS on your phone. The speed sensor is mounted on the frame to ensure a accurate and stable measurement of speed. Works great with the Wahoo App and Strava.
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    1 of 1 people found the following review helpful By SafeAndReliable on 27 July 2013
    Size Name: Bluetooth 4.0 Verified Purchase
    Great. A product that does what it is supposed to do. Doesn't happen very often to me. But take this, combine with a Ride Case II from Topeak and consider the Ride Case Power Pack too. Great solutions all 3.
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    1 of 1 people found the following review helpful By Micky J on 27 July 2013
    Size Name: Bluetooth 4.0 Verified Purchase
    it's got five stars and i think it's brilliant i use it with the heart rate monitor and the Strava app, and it has not let me down. Took about 1/2 an hour to install and off i went.
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    4 of 5 people found the following review helpful By M Shafique on 17 April 2013
    Size Name: Bluetooth 4.0 Verified Purchase
    I'm using it with Runtasic Roadbike Pro app on my iphone.

    The sensor is supplied with a rubber attachment as well as 2 cable ties. Rubber attachment doesnt seems to be very safe and Wahoo also recommend using cabe ties. Standard fitting is made for round Chain-stay, but the bottom has a rubber base which comes off and allow it to install on square Chain-stay.

    There is no switch to turn it On/Off. As soon as you start riding you bike it turns On and starts sending the signals to your phone etc.
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    Size Name: Bluetooth 4.0 Verified Purchase
    set up was easy, works well. Remember it will only pair with on device at a time. I use the Wahoo kickr and a few times as I have been playing music on my phone (bluetooth on) the kickr lost connection as the cyclemeter app was still open in the background on my phone and as the cyclemeter had been the last to use the cadence it took precedence over the kickr. Now that I know I make sure I close the phone apps fully before the session starts.
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