Item No.：AP1 【Stem Solution】 Litemove’s AP1 stem (face cap) adapter can be installed on the stem of a bike. 【Compatible for the following headlight models】 HKSE70U / HK SE70D / HKSE90U / HKSE90D/ HKSE110U / HKSE110D / HKSE150U / HKSE150D / HKSE200U / HKSE200D / HKAE130U / HKAE130D