WSM Piston Kit 50-254-06K Replacement Insert Backrest works with the standard

Backrest works with the standard H-D detachable docking kit or use with the Cobra docking kits (sold separately)

Integrated thumb switch enables riders to easily scroll through 5 temperature levels without taking a hand off the handlebars Color LED indicator displays which temperature setting is in use Soft to the touch rubber is comfortable for short or long rides Internal memory allows the grips to stay at previous warmth level Low battery cut off protection Ideal for all season riding

Bio Flex knee armor allows high levels of movement and has a slim design to ensure the protector is discreet off the bike

Internal toe box protection is layered under the boot upper for durability

Chest protector compartment can be upgraded with Alpinestars Nucleon chest protector insert

WSM Piston Kit 50-254-06K Replacement Insert Backrest works with the standardQuality and construction that meet or exceed OEM Feature improved E clip design Kits contain piston, rings, pin and clips Rings available separately