Maintenance & Specifications
The following information will help you keep your PowerTap running properly. If you are not
familiar with hub maintenance please consult a professional bicycle mechanic before servicing.
During the course of any repair do not
remove the torque tube. There are no user serviceable
parts inside. Special tools are required for reassembly and calibration. If problems are suspected
contact Saris Cycling Group.
BEARINGS
The power measuring components inside the PowerTap are highly complex and should only by
serviced by Saris Cycling Group. The bearings are sealed and do not require replacemen
t. Field
replacement can cause permanent damage to the power measuring electronics and result in
compromised sealing and performance. If bearing problems are suspected
please contact Saris Cycling Group at 1-800-783-7257 for a return authorization. The PowerTap
uses a modern 4 bearing design and does not require any tensioning adju
stment.
Ceramic Bearings are used in the SLC+ model. These are a hybrid construction of higher quality
steel inner and outer race, ceramic balls and a plastic cage. The ceramic balls are lighter, harder
and smoother than traditional bearings. In addition a special low friction seal is used.
FREEHUB
The grease in the freehub pawls should be replac
ed if it becomes contaminated with water.
Replace the seal at the same time, contact Saris Cycling Group for replacement parts. Saris
Cycling Group recommends the following types of grease to ensure proper functioning:
-Kluber Isoflex NB52 o
-Dupont Krytox GPL226
-Phil Wood Waterproof Grease
34
Model Hub Bearings Freehub Type Freehub Bearings
Elite+ and Pro+ or any PowerTap with 12mm Axle 2 x 6901 RS Both 2 x 6901 RS
SL+ and SLC+ 6802RS, 6902RS Shimano 2 x 6902 RS
SL+ and SLC+ 6802RS, 6902RS Campagnolo 2 x 6802 RS
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