F650/800 twins, R1200GS/1250GS use BMW Stud Base (10 x1.5 threads)
X Challenge/ X country use Ball Stud Base (10x1.25 threads)
*310 GS motorcycles use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side (YAMAHA adapter). If you order both mirrors, you will need to order the extension for the left side in order for it to be even in height with the right.
F-GS Singles are inconsistent, even within the same year. Some are 10 x1.25, some are 8x1.25. Please check your bike to order the appropriate part.
Plate can be adapted to many models with your bolt (including R100GS)
If you are unsure what you need, take the mirror out and check the threads at a hardware store.
Ducati
Ducati motorcycles use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side (YAMAHA adapter). If you order both mirrors, you will need to order the extension for the left side in order for it to be even in height with the right.
HONDA
Honda CRF250L and CRF450L use the 10mm x 1.25 ball stud base, and require an extension on the right side to clear the brake reservoir and throttle cables. Please order an extension adapter per mirror set.
All other Hondas use the standard 10mm x 1.25 ball stud base. If you would like extra height then order an extension adapter per mirror set.
Husqvarna
401 Models
These motorcycles use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side (YAMAHA adapter). If you order both mirrors, you will need to order the extension for the left side in order for it to be even in height with the right.
All other Huskies
Husqvarna motorcycles use the 10mm x 1.25 ball stud base. You may find extensions helpful in providing additional clearance, but they are not required.
Kawasaki
Kawasaki motorcycles use the 10mm x 1.25 Ball stud base. Typically, the bases are too short to clear the hand guard on most models, so if you would like extra height then order an extension adapter per mirror set.
On KLRs, you will need an Extension (E) to clear the OEM handguard.(SOLD SEPARATELY)
KTM
390/790 Models - use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side (YAMAHA adapter). If you order both mirrors, you will need to order the extension for the left side in order for it to be even in height with the right.
All other KTMS - KTM motorcycles use the 10mm x 1.25 ball stud base. You may find extensions helpful in providing additional clearance, but they are not required.
Suzuki
DRZ 400 - use the 10mm x 1.25 ball stud base, and the right side needs an extension to clear the brake reservoir. Order an extension for the right and another for the left so the height is equal..
All other Suzukis -Suzuki motorcycles use the 10mm x 1.25 ball stud base. You may find extensions helpful in providing additional clearance, but they are not required.
Triumph
Triumph motorcycles use the 10mm x 1.25 ball stud base. If you would like more height, you can order the extensions adapters, which also helps the mirrors fold around the master cylinder reservoir. This set up works for all Triumphs, except the 2020 1200 XE.
YAMAHA
Yamaha motorcycles use the 10mm x 1.25 ball stud base, and have a reverse thread on the right side (YAMAHA adapter). If you order both mirrors, you will need to order the extension for the left side in order for it to be even in height with the right.
DIRTBIKES
The split clamp (C) will allow mounting on any 7/8ths bar
