Garmin GSC10 Owner's Manual

➍

 Adjust and Test

1.  Unscrew and move the sensor arm to within 5 mm of the 

spoke magnet. You can also tilt the GSC10 closer to either 

magnet for improved alignment. 

2.  Press the 

Reset

 button on the GSC10. The LED light turns 

red, then green. Pedal to test the sensor alignment. The red 

LED blinks each time the crank arm passes the sensor, and 

the green LED blinks each time the wheel magnet passes 

the sensor arm.

Note:

 The LED blinks for the first 60 passes after a reset. 

Press 

Reset

 again if you require additional passes. 

3.  When everything is aligned and working correctly, tighten 

the cable ties, sensor arm, and spoke magnet.

➊

 Install the GSC10 Sensor

  Place the GSC10 on the rear chain stay (the side opposite 

of the drive train). Loosely attach the GSC10 using two 

cable ties.

reset button 

cable ties

indication 

line

GSC10 on rear chain stay 

For more information on using the GSC10 with your compatible  

GPS device, refer to your owner’s manual.

➋

 Install the Pedal Magnet

  Attach the pedal magnet to the crank arm using the 

adhesive mount and a cable tie. Make sure the pedal 

magnet is within 5 mm of the GSC10, and the indication line 

on the pedal magnet is aligned with the indication line on the 

GSC10.

cable tie

indication 

line

Pedal magnet on crank arm 

➌

Install the Spoke Magnet

  Attach the spoke magnet by unscrewing the magnet from 

the plastic piece. Then place the spoke in the groove of the 

plastic piece and tighten slightly. The magnet can face away 

from GSC10 if there is not enough room between the sensor 

arm and spoke. Make sure the magnet is aligned with the 

sensor arm indication line. 

pedal magnet 

sensor arm 

indication line

spoke magnet 

GSC10