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  1. #1
    mtbr member
    Join Date
    Mar 2012

    Motobecane Fantom Pro DS Suspension system

    Is there any way I can tell what type of suspension rate does a Motobecane Fantom Pro DS have? Does it have rising or falling or linear suspension rate? I'm trying to research more on tuning my rear shock and need to know if it is a falling rate, rising rate, or linear rate design. My shock isn't the stock shock that came with the frame - got them separately. The shock is a Rock Shox Monarch RT3 and has ML written on the side of it. It seems like the shock is too light of a tune for me as I've got to nearly max out the shock to get 30% sag.

    I am currently researching IFP adjustments to see if that can help out a bit.


  2. #2
    Frt Range, CO
    Reputation: pursuiter's Avatar
    Join Date
    May 2008
    Here's an explanation I've found to be informative:
    Buyer's Guide To Mountain Bike Suspension, Part 1 - BikeRadar

    Buyer's Guide To Mountain Bike Suspension, Part 2 - BikeRadar

    I think it's a faux bar but not an expert by any measure.

  3. #3
    mtbr member
    Join Date
    Sep 2012
    having the same issue... did you get this figured out?

  4. #4
    mtbr member
    Join Date
    Dec 2012
    I am getting it to perform much better adjusting the ipf pressure. Right now I have it set at 225psi and it greatly improved the performance. I will probably go to 215 before the next ride. So far I have better small bump compliance and I can get the sag closer to 20%. Not quite getting full travel but it is getting better.

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