Cycleops released a firmware update (36.040) last night for CycleOps Hammer and Magnus smart trainers. The update should address issues with power dropout in Zwift and a bug that caused some users to see power variation during acceleration.
Full update notes:
36.040 (Current), released December 19, 2017
- Reduced the occurrence of reported zero power during large deceleration events.
- Reduced the occurrence of power dropouts on hills in Zwift.
- Fixed a bug that caused some users to see power variation during acceleration.
- Increased the responsiveness for the Hammer when the grade changes while riding a route.
Firmware on the CycleOps Hammer and Magnus can be updated wirelessly through PowerTap mobile app for iOS or Rouvy for Android and PC.