This bracket install in the Stem Yoke Center hole, can fit to the 16mm-19mm holes. It adopt the method of expansion to fixed the bracket.This Navigation Bracket can be adapted to a variety of of mobile phones. Such As for X, XR, 8/ 8 Plus, 7/7 Plus, for 6s/6s Plus, for Galaxy, S9, S8, S7,and for Galaxy S7 for Galaxy S7 Edge, Galaxy S9, 3, for for Pixel / Pixel XL. and etcWorks with phones ranging from 1.75 inch - 4.5 inch Inches wide,from 3.25 inch -5.5 inch High. Covering most all current smartphones including plus sized devicesThere are 4 silicone on the position that install the mobile phones of Navigation Bracket. The stainless steel intensify sheet can fixed the phone well, do not worry about the cell phone fall on the road during drivingThis Phone Holder fit for YZF R1 02-17 R6 06-17 R1M,for S1000RR HP4 10-14-15-17-18,for F5 CBR650F VFR1200Product descriptionCondition: Clean and clever 4 leg design that sports great holding power without your phone behind foam pads and plastic.Butterfly rubber coated tips hold device firm and stable, protect your device in all directionsCompatible Devices : For For 4/ 5/ 5c/ 5S/ 6/ 6S/ 6 Plus/ 6s Plus/ 7 with or without Bumper, Skin or Case.For Devices For Galaxy S4 / S5 / S6 / S6 Edge/ S6 Edge plus/ S7, For Note 4/ Note 5 with or without Bumper, Skin or Case.colour: blackMaterial: plasticsize: 15.5cmPackage Contents: 1*motorcycle phone holderNotice: This Sport motorcycle phone mount Not for 2013 S1000Rr Not for 2018 400 Not for 20006 GSXR 600Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.