RAM-B-139-C 1" Ball Mount with Long Double Socket Arm, 2.5" Round Base & 2" x 1.7" Rectangular AMPS Plate DUCATI1098 S - 20062006 To see if the (RAM-B-309-7)

To see if the (RAM-B-309-7) base will mount to your motorcycle

HARLEY-DAVIDSON FXDB Street Bob - 2006 - MFW PASSENGER = 051880130

DUCATI Multistrada 1260 - 2017 - MFW PASSENGER = 051030130

YAMAHA XVS 950 A - 2008 - MFW PASSENGER = 0

HONDA CBR 1000 SA - 2013 - MFW RIDER - 051040800

RAM-B-139-C 1" Ball Mount with Long Double Socket Arm, 2.5" Round Base & 2" x 1.7" Rectangular AMPS Plate DUCATI1098 S - 20062006 To see if the (RAM-B-309-7)1" Ball Mount with Long Double Socket Arm, 2. 5" Round Base & 2" x 1. 7" Rectangular AMPS Plate The RAM B 139 C is a mount based on a long 1" double socket arm (5. 1875" socket centres) with a circular 2. 5" diameter 1" ball base and a rectangular 2" x 1. 7" 1" ball base. Both bases have the standard AMPS hole pattern.