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PowerBox SC Alloy Crankset Installation Instructions

Introduction

Congratulations on your Full Speed Ahead product. Please read these instructions and follow them for correct use. Failure to follow the warnings and instructions could result in damage to product not covered under warranty, 
damage to bicycle; or cause an accident resulting in injury or death. Since specific tools and experience are necessary for proper installation, it is recommended that the product be installed by a qualified bicycle technician. 
FSA & Vision assumes no responsibility for damages or injury related to improperly installed components.

Warranty

Full Speed Ahead (FSA) warrants all FSA and Vision products to be free from defects in materials or workmanship for a period of two years after original purchase unless otherwise stated in the full warranty policy. The warranty 
is non-transferable and valid to the original purchaser of the product only. Any attempt to modify the product in any way such as drilling, grinding, and painting will void the warranty. For more information on warranty policy 
and instructions for completing a warranty claim, check out the Full Warranty Policy found at our website: https://www.fullspeedahead.com/en/technology

Specification

Model Name / Item Number  PowerBox SC Cranksets / CK-OS6126 / CK-6126

Assembly

Activation

Calibration

LED Indication

1. Remove the 4 screws 

    from the top of the 

    battery cover, and

    remove the cover from

    the battery housing. 

2. Install supplied 2450 

    battery with “+” side 

    up. Wait until the LED 

    flashes green and turns 

    off. Proceed to next step.

The PowerBox SC was designed and 

engineered for ease of use and simple 

set-up utilizing an easy “1-2-3” set-up 

process:

Note: Before calibrating on each outdoor 

ride, it is strongly recommended to leave 

the crank at outdoor temperature for 10 

minutes.

3. Replace cover onto

    Pod.

4. Place 4 screws into holes on the 

    cover.

5. Use 1.5mm wrench tighten the screws 

    to a torque 15.3 kgf.cm / 1.5 Nm / 13.3 

    in.lbs.

1. Rotate the crank.

2. Pod displays yellow LED light then

    blue LED light.

3. It is ready to connect to computer.

Red – Low battery

Yellow – Medium battery

Green – High battery

Blue – Stand by

Bluewhite – Calibration

1. Place the non-drive crank into six 

    o'clock direction.
2. Calibrate via head unit or via phone 

    application.
3. Once the pod flashes blue white light, the 

    PowerBox SC is calibrated successfully 

    and you are ready to ride.

Published – May, 2021.    ZSP022.v0 © Full Speed Ahead  

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