Stem Hole Mount W/17 21mm(φ)X40mm(D)

Stem Hole Mount w/17-21mm(φ)x40mm(D)
Specially designed to fix in the hole of triangle platform of heavy motorcycles.
Four options for the diameter of apertures.
Need to go with X-Guard aluminium mount.
Specifications 17-21mm(φ)
Use with either Tube Mount or H/Bar Mount A+
Size：17-21mm(φ)
Colour：Silver
Material：6061 aluminium