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Super 8 / Re: Variator
« on: June 08, 2020, 10:25:23 AM »
Looking to keep the bike a long time, it's reliable and would honestly want to add some modifications, any reccomendations?
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The dr. pulleys are designed in a shape that allows max expansion and closing of the pulley sheaves. They also smooth the dead spot that some variators have in the mid-range power. Having the optimal weight for the characteristics you want may have more of an effect than dropping in sliders. I would only buy sliders once you have ridden with a weight you like and want to keep.I am happy with the weight of my rollers right now, if i buy the sliders will i see a speed increase?
I would recommend Dr. Pulley sliders. They aren't the cheapest but most will agree they are among the best.Is their a certain weight i should go for?
How many miles are on your rollers? Did you install them with the flat spots(if any) in the same orientation that they were? I would tend to think the loss is in the transmission system as that is the area of highest energy loss due to friction which equals heat. Because power to speed is squared, it takes very little to drop 3mph. Just relaxing an elbow from against my side changes my top speed by 4mph.the rollers have around 3500 miles on them (never changed them long term) could be a mechanical issue but my dealer has told me there is nothing wrong with the bike, there is also nothing that could be weighing it down etc so im unsure to my loss in speed?
In essence, practically any mechanical inefficiency can cause your amount of loss.
The nut is not responsible for your loss of 3mph....many things could cause that - but not the nut, unless it has come loose.
Have you been back in to check things after you noticed the loss of top speed?
Stig