Media:3.5" and 5.25" disks Autographed:No Memorabilia:No Number Of Items:1 Batteries:1 Batteries Included:No Watch Movement Type:digital-quartz Size:Garmin Part #010-10644-00 Shipping Weight (lbs):0 Dimensions (in):3 x 2.2 x 2.7 Legal Disclaimer:Warranty does not cover misuse of product.
Product Description 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. THE GSC 10 IS COMPATIBLE WITH THE EDGE 305 AND FORERUNNER 305 ONLY.
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.
Excellent compact lightweight wireless cadence sensorNovember 22, 2007 Brad Jackson(Panama City, FL USA) 106 out of 107 found this review helpful
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!
Great product, confusing packaging if you have a Forerunner 305February 17, 2008 Marty J. Solomon(Tampa, FL United States) 39 out of 39 found this review helpful
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!
Design could be improvedFebruary 24, 2006 Ron Henson(Kirkland, WA) 31 out of 33 found this review helpful
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.
It worksAugust 13, 2006 W. Krauss(Rochester MN) 16 out of 17 found this review helpful
It has worked flawlessly on my TT and road bike. I use one Edge 305 and switch between bikes. When switching, you must go to the "Accessories" menu and rescan for the sensor. You must set this up exactly according to the directions and check the LED's in a dark room. You can not see them in a room with normal lighting. I do a fair amount of cadence based training and this cadence sensor has proved flawless.
Garmin GSC 10 Speed Cadence SensorNovember 9, 2006 Thomas L. Wilson Jr.(Hills of Tennessee) 10 out of 10 found this review helpful
Easy installation of sensor and magnets. Crank magnet come loose easily.
Pairing the sensor with the receiver unit can fail without much of an indication of the problem. Once the sensor is paired, the unit works very reliably.
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