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Garmin GSC 10 Speed/Cadence Bike Sensor
 
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Garmin GSC 10 Speed/Cadence Bike Sensor

Other products by Garmin
4.3 out of 5 stars  See all reviews (101 customer reviews)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Want it delivered Friday, March 12? Choose One-Day Shipping at checkout. Details

Frequently Bought Together

Garmin GSC 10 Speed/Cadence Bike Sensor + Garmin Forerunner Quick Release Kit + Garmin Forerunner 305 GPS Receiver With Heart Rate Monitor
Total List Price: $385.43
Price For All Three: $215.37

These items are shipped from and sold by different sellers. Show details

  • This item: Garmin GSC 10 Speed/Cadence Bike Sensor

    In Stock.
    Ships from and sold by Amazon.com.
    This item ships for FREE with Super Saver Shipping. Details

  • Garmin Forerunner Quick Release Kit

    In Stock.
    Ships from and sold by Amazon.com.
    Eligible for FREE Super Saver Shipping on orders over $25. Details

  • Garmin Forerunner 305 GPS Receiver With Heart Rate Monitor

    This item will be released on March 15, 2010.
    Pre-order now!
    Ships from and sold by Beach Camera.
    Free shipping.

What Do Customers Ultimately Buy After Viewing This Item?

Garmin GSC 10 Speed/Cadence Bike Sensor
72% buy the item featured on this page:
Garmin GSC 10 Speed/Cadence Bike Sensor 4.3 out of 5 stars (101)
$38.16
Garmin Forerunner 305 GPS Receiver With Heart Rate Monitor
19% buy
Garmin Forerunner 305 GPS Receiver With Heart Rate Monitor 4.5 out of 5 stars (1,130)
$157.41
Garmin Forerunner Quick Release Kit
4% buy
Garmin Forerunner Quick Release Kit 4.3 out of 5 stars (69)
$19.80
Garmin forerunner Bike Mount
3% buy
Garmin forerunner Bike Mount 4.4 out of 5 stars (10)
$13.78
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Technical Details

  • Cycling speed sensor for select Garmin wrist-mounted personal trainers and cycling computers
  • Self-calibrating, wireless design measures both cycle speed and cadence in pedaling strokes per minute
  • Provides up-to-the-minute feedback or captures results for later workout analysis
  • Compatible with Garmin Edge 305, Edge 305CAD, and Forerunner 305
  • Attaches easily to any bicycle; 1-year warranty

Product Details

  • Product Dimensions: 3 x 2.2 x 2.7 inches ; 0.3 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B000BFNOT8
  • Item model number: 010-10644-00
  • Batteries: 1 Lithium Metal batteries required.
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (101 customer reviews)
  • Amazon.com Sales Rank

    Popular in this category: (What's this?)

    #2 in  Electronics > GPS & Navigation > Sports & Fitness GPS > Running GPS
  • Date first available at Amazon.com: July 17, 2008

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Product Description

Amazon.com Product Description

A good companion for Garmin's Edge 305 and 305CAD cycle computers and the Garmin Forerunner 305 personal trainer, the GSC 10 monitors your cycling rhythm for up-to-the-minute results and later analysis. The self-calibrating, wireless unit measures both speed (in pedaling strokes per minute) and cadence , then provides feedback to the user for optimal performance. You can later feed the results to Garmin's Training Center software, which helps you tailor your workouts to meet specific goals and objectives.

Like the Garmin heart rate monitor, the GSC 10 attaches easily to your bike, where its sensors detect signals from your wheels and send the information wirelessly to your personal trainer/cycle computer. It's also backed by a one-year warranty.

Product Description

The Garmin 010-10644-00 Speed/Cadence sensor (GSC 10) can monitor your pedaling cadence as you ride with this self-calibrating, wireless speed/cadence sensor. It measures and reports your pedaling strokes per minute, providing feedback for optimal performance. Use with the Edge 305 or Edge 305CAD, Included With The Edge 305CAD GPS Plus

Important Information

Legal Disclaimer
Warranty does not cover misuse of product.

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Customer Reviews

Average Customer Rating
4.3 out of 5 stars (101 customer reviews)
5 star:
 (61)
4 star:
 (21)
3 star:
 (10)
2 star:
 (2)
1 star:
 (7)
 
 
 
 
 
 
 
 
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Most Helpful Customer Reviews

 
77 of 78 people found the following review helpful:
5.0 out of 5 stars Excellent compact lightweight wireless cadence sensor, November 22, 2007
By Brad Jackson (Panama City, FL USA) - See all my reviews
(REAL NAME)   
Another handy piece of equipment from Garmin!

This kit comes in three basic parts; a sensor unit, which is about the size of a matchbox, and two magnets about the size of your pinky nail. Several zip-ties are included for mounting purposes; the entire kit weighs at most a couple of ounces.

Installation is pretty straightforward, but do follow the directions carefully and don't snug down the zip-ties until you're sure you've got all three components just where you want them and have tested the system!

The sensor mounts to the left chain stay with a pair of zip-ties. Garmin thoughtfully added a piece of rubber padding to the bottom of the sensor unit, so it won't rough up your fancy carbon frame or your paint job :)

A single zip-tie attaches the crank magnet to the crank, although I had to use a large (3/4") shim on my FSA crank (which has a curved profile and a hollow back) to place the crank magnet in the proper position for the sensor to "see" it. The spoke magnet clamp has both a round hole and a square hole; make sure you use the right hole for your spoke profile! I mounted mine on a spoke directly opposite the tire valve, just to help keep the wheel in balance.

The sensor unit must be positioned along the chain stay such that it can "see" both the crank magnet as it passes by the cadence sensor (the round part on the side of the sensor unit), and the spoke magnet as it passes the speed sensor (the part that looks like a lever in the picture).

Testing is accomplished by pressing a small button on the sensor unit, which prompts it to flash a red LED, then a green one to indicate that testing is started. As pointed out by another reviewer, the LEDs are hard to see in bright ambient light; I'd recommend testing in a garage if possible. Hi-intensity LEDs would have solved this problem, although I suspect these LEDs were chosen for their low power consumption, so maybe it's a smart design decision after all.

Once the test button is pressed, the next 60 revolutions of the crank should cause the red LED to flash when the crank magnet passes the sensor, while the spoke magnet passing the sensor should generate a green LED flash. If you saw the red/green flash when the button was pressed, but don't see a flash as each magnet passes the sensor, chances are one or both magnets are not properly aligned with the sensor (there are alignment lines on the sensor and both magnets), or the magnets are passing too far from the sensor (this is the problem I encountered and solved with a shim).

When you're sure everything is in the right places, snug the zip-ties and cut them flush. Then set up a screen (typically the Biking screen) on your 305 to display Cadence in one of the data fields, and go ride!
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22 of 22 people found the following review helpful:
4.0 out of 5 stars Great product, confusing packaging if you have a Forerunner 305, February 17, 2008
By Marty J. Solomon (Tampa, FL United States) - See all my reviews
(REAL NAME)   
The handlebar mount and cadence and speed sensors went on quickly and worked flawlessly. However, when I first received the package in the mail, I was concerned I had ordered the wrong item. I have a Forerunner 305 wrist-mounted GPS, and all of the packaging for this product references the Edge GPS sensor, so I didn't know whether or not this would even work with the Forerunner. There are very slight differences in navigating the menus to set up the cadence sensor between the Forerunner and the Edge, but the cadence sensor does indeed work very well with the Forerunner, so Forerunner owners order without fear!
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27 of 29 people found the following review helpful:
3.0 out of 5 stars Design could be improved, February 24, 2006
By Ron Henson "Ron" (Kirkland, WA) - See all my reviews
The design could be improved upon as you need to have a magnet on both the crank arm and the spoke within 5mm of the sensor. This makes id difficult and may require some minor modifications on some bicycles (I needed to add a spacer between the crank arm and the magnet). Too much tilt towards the crank, risks having the arm of the sensor being caught in the spokes after a large bump on the trails or raod. I have known of other people being able to purchase a larger magnet to the inside of the pedal screw which allows the sensor to be farther appart. Other than that, it works great with the Edge.
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Most Recent Customer Reviews

5.0 out of 5 stars Great prodct, easy to unstall and easier to use
This was installed in under 10 minutes and it was my first time installing such a device. Instructions were easy to use and no steps had to be repeated in order to complete the... Read more
Published 20 days ago by IceDog

5.0 out of 5 stars Excellent Product
I really like this product. I like not having wires drapped around the bike. The tradeoff is that it requires a battery.

I am using it with the Edge 705. Read more
Published 25 days ago by W. Looney

5.0 out of 5 stars Excellent interface - also talks to Trek ACH Digital
Purchased this device to synch with my new Garmin 310XT. Turns out the ANT communications simultaneously works with my Trek bike computer - which is sweet! Read more
Published 1 month ago by B. King

4.0 out of 5 stars Does the job, but not very durable.
I got one of these with my Garmin Edge 305 Cycling GPS system and mounted it on my road bike. It works very well and seems quite accurate. Read more
Published 1 month ago by Jeff Armour

5.0 out of 5 stars Cadence Sensor for Garmin Edge
Relatively easy to install. Make sure to force the head unit to scan for the cadence unit after installation.
Published 1 month ago by K. reza Iman

4.0 out of 5 stars Cool toy!
I am not a hard core bicyclist, and I am also not an athlete in training. What I am, is an old man who likes to get out there and "get-er-done" when the conditions are good! Read more
Published 1 month ago by NOV8TR

1.0 out of 5 stars I hate this device !!!
If I could describe this product in one word it would be failure.

To keep this short:

1. Set up is easy.
2. Concept is great.
3. Read more
Published 1 month ago by Abel C. Diaz

5.0 out of 5 stars Great Garmin product.
I use this primarily for indoor training and have found it to be very sensitive and accurate. It is easy to install and set up.
Published 1 month ago by Jim Valleti

5.0 out of 5 stars A Great Addition for the ForeRunner
This Unit is the perfect addition for me as it extends my Forerunner 305 to my bike giving me all the speed and cadence data I need. Read more
Published 1 month ago by nacnud

5.0 out of 5 stars Cadence sensor
I just got this for Christmas. I mounted it on my bike it was very easy to mount. A couple wire ties. The hard part was figuring out I needed to tell my 310xt to look for it. Read more
Published 2 months ago by James E. Mclaughlin

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