bsddp real carbon fiber rear view motorcycle mirrors Mamba is universal compatible for most motorcycles and Harley Davidson bikes. Mamba is E-mark approved. The mirror housing is made out of 100% carbon fiber and machined 6061 aluminum and the stem is made of machined 6061 aluminum, 2 joints make it highly adjustable, pentagon chrome convex lens gives a wide and clear view. The package contains a pair of mirrors ( Left hand / Right hand ), 8mm to 10mm 1.5 pitch adapter x 2 PCS.