Is anyone using a Sigma bc 800 or 1600?

Home Forums BikeMeet Cafe Is anyone using a Sigma bc 800 or 1600?

Viewing 7 posts - 1 through 7 (of 7 total)
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  • #8534
    rajnish
    Participant

    Hi,just got a sigma bc 800 and a 1600,it has been mounted on the rear hub.but so far it’s not calibered properly to kmph.shows the reading and then doubles it,also is not consistent in the reading display.any inputs :)

    1987 Yamaha RD 350B
    In first gear whack the throttle.

    #17376
    diablo
    Participant

    it comes with a booklet which has the instructionf for calliberating it. basically depends on wheel circumference which you need to measure.

    for correct readings, you need to change the magnet you are using. why don’t you ask the guys at rddreams ? they have been doing it for ages.

    https://www.vibhurishi.com
    https://www.bikenomads.com

    #17377
    rajnish
    Participant

    have done it,am taking a second opinion pal.the booklet is not much help,have fed the circumfrence already.

    1987 Yamaha RD 350B
    In first gear whack the throttle.

    #17378
    imperialdata
    Keymaster

    Sorry guys, but are these Sigma’s you talk about speedos. Are they like pushbike ones with magnets fixed on the wheel?

    #17379
    rajnish
    Participant

    yes tht’s the one,used for cycles mostly but give fairly accurate readings.any ideas?

    1987 Yamaha RD 350B
    In first gear whack the throttle.

    #17380
    imperialdata
    Keymaster

    I’ve dug up a few UK based resources on the Sigma calibration. Seems an interesting one this. Try:

    https://www.strangely.org/owned/bikecomp/ This guy fitted one to a Lotus Seven replica and then calibrated it by testing on a measured mile.

    https://www.st1100.org/farkles/sigma.html Shows an ST1100 fitting.

    If there’s not the info on those sites, maybe an email to Sigma could help via https://www.sigmasport.com/index_e.html

    #17381
    rajnish
    Participant

    thanks mate,helped a lot [:)]

    1987 Yamaha RD 350B
    In first gear whack the throttle.

Viewing 7 posts - 1 through 7 (of 7 total)
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