RAM-B-108B Mount V Base with 1" Ball and Straps HARLEY-DAVIDSONFLHTCUL TC Electra Glide - 20132013 which employs an 8mm bolt

which employs an 8mm bolt or smaller on its structure is compatible with this product

HARLEY-DAVIDSON FLHTCUSE5 Ultra Classic E - 2009 - MFW RIDER - 051880100

DUCATI Monster 900 - 1996 - MFW PASSENGER = 051030130

DUCATI Monster S2R - 2004 - MFW RIDER - 051030300

RAM-B-108B Mount V Base with 1" Ball and Straps HARLEY-DAVIDSONFLHTCUL TC Electra Glide - 20132013 which employs an 8mm boltMount V Base with 1" Ball and Straps The RAM B 108B, powder coated marine grade aluminium strap base, accommodates rails from 1. 0" to a maximum of 2. 1" in diameter. To mount the RAM B 108BU base, place the saddle shaped plate on the rail then wrap the metal clamp strap around the rail and plate. Tighten the screw knob on the metal strap with a screw driver until the strap has a firm hold on the rail. The RAM B 108B is an alternative mounting base