Kuryakyn 8826 Rear Splined Adapter Mount These splined adapters have teeth that match the foot pegs or floorboards and allow the angle of the footrest to be set and locked in place; this convenient 2-part system also allows you to change your footrests without purchasing new splined adapters Fits Yamaha Cruiser Rear: Stryker '11 Splined adapter for driver applications requiring P/N 8826 are intended for floorboard applications only Sold as a pair