SRAM RockShox SEKTOR Service Manual page 14

Clean the inside and outside of the lower leg.
3
Clean the wiper seals.
Install the dry foam rings under the wiper seals.
4
Confirm the foam rings are installed evenly and sqaure in the space
under the wiper seals, and do not protrude out of the groove.
50 Hour Service Continue the 50 Hour Service with Lower Leg Installation.
Dowel
14
Lower Leg Service