power2max.de
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I have 2. One standard and one compact on 3D cranks and they work great. Outstanding customer service as well. www.Power2max.ca
i am using mine the second year, in general no problems.
infrequently (maybe once or twice a month), its showing wrong, usually to small, numbers for several minutes. the reason may be found in something like atmospheric disturbances.
infrequently (maybe once or twice a month), its showing wrong, usually to small, numbers for several minutes. the reason may be found in something like atmospheric disturbances.
I have had mine for 6 months and so far so good. Tracks nicely with my powertap and quarq! As a plus they have been great to communicate with as well!
Factor O2 Rim / Winspace 1500 Disk / Yoeleo R6 Rim / Cervelo S2 Rim
Very nice review by DC Rainmaker. Huge accuracy issue, lack of real-time temperature compensation, was fixed in September 2012 and he promoted it from a 7/10 (rated low for poor accuracy) to 9/10. If you care about accuracy, and you ride outdoors, you should definitely pay for the upgrade. Comparison to PowerTap now looks very solid.
It's been the heaviest of the 3 major spider-based systems (Quarq, SRM, Power2Max) but then it's also the cheapest.
It's been the heaviest of the 3 major spider-based systems (Quarq, SRM, Power2Max) but then it's also the cheapest.
djconnel wrote:Very nice review by DC Rainmaker. Huge accuracy issue, lack of real-time temperature compensation, was fixed in September 2012 and he promoted it from a 7/10 (rated low for poor accuracy) to 9/10. If you care about accuracy, and you ride outdoors, you should definitely pay for the upgrade. Comparison to PowerTap now looks very solid.
It's been the heaviest of the 3 major spider-based systems (Quarq, SRM, Power2Max) but then it's also the cheapest.
+1
See all my bike h e r e
So presumably it's worthwhile sending my Power2Max in for the temperature compensation upgrade?
I've not really had much issue with drift (even indoors on the trainer).
The only time it's been a real problem was in the alps. (temperature fluctuations between valley/col etc and no freewheeling)
I've not really had much issue with drift (even indoors on the trainer).
The only time it's been a real problem was in the alps. (temperature fluctuations between valley/col etc and no freewheeling)
I store my power2max bike indoors which is usually around 18C and have trained with it outside in -10C and have not noticed much temperature drift either. Im pretty sure its been in the -+5W range of where it should it be. Im not too bothered with accuracy in the winter anyways as my efforts are not so focused. If its very cold I try to do a recalibration after 20mins just to get it spot on.
Funny enough I have had far more temperature drift issues with my quarq S975. Not to mention having to send it back for repair twice in 4 months. While my power2max has been hassle free all the way.
Funny enough I have had far more temperature drift issues with my quarq S975. Not to mention having to send it back for repair twice in 4 months. While my power2max has been hassle free all the way.
Factor O2 Rim / Winspace 1500 Disk / Yoeleo R6 Rim / Cervelo S2 Rim