10208C - Racing Optics Xstack Helmet Tear Off Fits Bell: Dominator.2, GTX.2, GP.2, GP.2 Youth, Star, Star Infusion, 287 shield; Zamp: FS.A series, RZ series Fits Bell: Dominator.2, GTX.2, GP.2, GP.2 Youth, Star, Star Infusion, 287 shield; Zamp: FS.A series, RZ series World's most optically advanced tearoff technology 10 layers of distortion free laminated tearoffs. 3 stacks of 10 tearoffs for 30 total per sleeve. Post hole distance is 12 1/8 "