HJC i80 Solid Modular Helmet Size:X-Large They're double-angular contact bearings so

They're double-angular contact bearings so they don't break or wear prematurely when you're hitting bumps and riding hard

Make Model Year GAS GAS EX350F 21-22 GAS GAS EX450F 21-22 GAS GAS MC350F 23 GAS GAS MC450F 21-23 HUSQVARNA FC350 19-22 HUSQVARNA FC450 19-22 HUSQVARNA FC450 ROCKSTAR EDITION 18-21 HUSQVARNA FX350 19-22 HUSQVARNA FX450 19-22 KTM 350 SX-F 19-22 KTM 350 XC-F 19-22 KTM 350 XC-F KAILUB RUSSELL 21 KTM 450 SX-F 19-22 KTM 450 SX-F FACTORY EDITION 18-21 KTM 450 XC-F 19-22

Using the adapter adds about 1in of length to each mirror post to provide a little more range of vision

better views

2014 - DR-Z400S

HJC i80 Solid Modular Helmet Size:X-Large They're double-angular contact bearings soThe all new i80 is a versatile adventure touring helmet engineered to perform across a wide range of riding conditions. Designed for full adventure use, it also allows the peak visor to be removed for a cleaner, more aerodynamic profile. Its modular functionality lets riders transition seamlessly between open face and full face modes, while the Advanced Polycarbonate Composite Shell provides lightweight comfort and an excellent fit. Aerodynamic