PowerTap SL User Manual
Page 23
23
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The PowerTap SL uses a completely new free hub, axle and bearing design that should provide
many miles of trouble free training and racing. The following information will help you keep your
PowerTap SL running properly. If you are not familiar with hub maintenance please consult a pro-
fessional bicycle mechanic before servicing.
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The power measuring components inside the PowerTap SL are highly complex and should only
by serviced by Saris Cycling Group. The bearings are sealed type 6901RS and do not require
replacement. Field replacement can cause permanent damage to the power measuring electron-
ics and result in compromised sealing and performance. If bearing problems are suspected
please contact Saris Cycling Group for a return authorization. The PowerTap SL uses a modern
4 bearing design and does not require any tensioning adjustment.