Question about Sigma Bc 906 Computer

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How do I calibrate my Sigma 906 for wheel size 700 X 38?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: Wheel setting

700 x 25 = 2146


You should be all set :)

Posted on May 04, 2009

sagecycles
  • 5 Answers

SOURCE: need help reseting for tire size 26x2.1

you can measure your wheel by placing your bike on a flat surface with the valve stem on the wheel in the bottom most position or 6 o clock position. mark the floor where the valve stem is. now roll the bike forward so that the wheels gets one full revolution and the valve stem comes back to the 6 o clock position and mark the floor at the valve stem. now get a tape measure and measure the distance between your two marks. Convert this measurement to usually centimeters. that will be the number that put into your computer.

the manual can be downloaded here

Rick

Bicycle Parts and Accessories

Posted on Jul 10, 2009

bikeservice
  • 34 Answers

SOURCE: i need to reprogram a sigma 906 bike computer for

The manual for sigma computers can be found at www.sigmasport.com.

The manual for your sigma computer can be found at:
http://www.sigmasport.com/us/service_center/produkt_support/bikecomputer/fragen/?jahrgang=4&produkt=3&gruppe=1&sprache=2&typ=bikecomputer

Posted on Jul 17, 2009

  • 71 Answers

SOURCE: I need to program a sigma 906 for my recumbent

The number you are entering should be the circumference of the tire, measured in millimeters. 1254 looks pretty small for your wheel. You can get the circumference by rolling the tire one revolution and measuring the distance with a tape measure. I usually lay out the tape, start with the tire valve at zero, roll one revolution, and read the number. Of course this number could be off by a few percent as the tire isn't exactly the same size due to rider weight, air pressure, tire wear, and temperature. If the error is large you need to do some riding on a known distance, like a running track, and then tweak the number up or down slightly until you are happy.

Posted on Apr 20, 2010

dunnbiker
  • 8546 Answers

SOURCE: I have a topeak comp

Drill down and find the manual download here.

http://www.topeak.com/Service/Downloads?WYSESSID=oh289iv98hk19so11a65m9kbc6

Posted on Apr 10, 2011

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1 Answer

Can the spoke magnet go on the rear wheel sigma bc 906


You should be able to use it on your indoor trainer. The Sigma will need a wheel diameter callbration to give correct readings.

Jan 29, 2013 | Sigma Bc 906 Computer

1 Answer

I need to program a sigma 906 for my recumbent with a 20 1/8 wheel size. Is 1254 the right entry in wheel size?


The number you are entering should be the circumference of the tire, measured in millimeters. 1254 looks pretty small for your wheel. You can get the circumference by rolling the tire one revolution and measuring the distance with a tape measure. I usually lay out the tape, start with the tire valve at zero, roll one revolution, and read the number. Of course this number could be off by a few percent as the tire isn't exactly the same size due to rider weight, air pressure, tire wear, and temperature. If the error is large you need to do some riding on a known distance, like a running track, and then tweak the number up or down slightly until you are happy.

Apr 20, 2010 | Sigma Bc 906 Computer

1 Answer

I have a sigma 1606l computor what is the wheel size setting. I have 650x23


you can measure your wheel by placing your bike on a flat surface with the valve stem on the wheel in the bottom most position or 6 o clock position. mark the floor where the valve stem is. now roll the bike forward so that the wheels gets one full revolution and the valve stem comes back to the 6 o clock position and mark the floor at the valve stem. now get a tape measure and measure the distance between your two marks. Convert this measurement to usually centimeters. that will be the number that put into your computer.

Rick

Bicycle Parts and Accessories

Jul 10, 2009 | Sigma Bc 906 Computer

1 Answer

Need help reseting for tire size 26x2.1 changed to road tires can't find my book it's a sigma bc 906


you can measure your wheel by placing your bike on a flat surface with the valve stem on the wheel in the bottom most position or 6 o clock position. mark the floor where the valve stem is. now roll the bike forward so that the wheels gets one full revolution and the valve stem comes back to the 6 o clock position and mark the floor at the valve stem. now get a tape measure and measure the distance between your two marks. Convert this measurement to usually centimeters. that will be the number that put into your computer.

the manual can be downloaded here

Rick

Bicycle Parts and Accessories

Jul 03, 2009 | Sigma Bc 906 Computer

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