Z-20 AntiFog Series Shield Select Color:Dark Smoke "17mm" denotes the Inner Diameter

"17mm" denotes the Inner Diameter (mm) of the hub bearings

Primary Shaft for Rotax DD2 Engines

Each pivot point of the Streeter "Big Foot" is fastened by grade-8 bolts and hardware to ensure long life

With pre-measured amounts

Z-20 AntiFog Series Shield Select Color:Dark Smoke "17mm" denotes the Inner DiameterZ 20 Anti Fog Series Shield by Zamp Racing. Made with anti fog coating on the inside of the shield, this Z 20 anti fog shield helps prevent fogging during moist or humid conditions (or cold weather) and is also perfect for a variety of helmet applications. The Z 20 shield comes in clear, dark smoke, or amber. It fits a variety of helmets, including: RZ 42 (youth and adult) RZ 37 Y RZ 70 (switch) RL 70 RZ 64 RZ 62 RZ 62 Air RZ 60 RZ 60V RZ 36 RZ 36