Shoei/HJC/Arai/Stand 21 XStack Tearoffs, 10 Layer No Cut Outs Clear Brake Rotors They reduce the hole size

They reduce the hole size to accommodate a smaller bolt

Handling filter duties is the PRO 5R performance air filter that features 5-layers of progressively finer mesh cotton gauze media

062 thick - cork / rubber

IK10 Compliant (Mechanical Impact Testing)

K4's engraved 440 series indicator lights are jumbo sized dash lights with white engraved lettering

Shoei/HJC/Arai/Stand 21 XStack Tearoffs, 10 Layer No Cut Outs Clear Brake Rotors They reduce the hole sizeThe XStack 10 is a stack of 10 laminated tearoffs that are 2 mil thick each. The laminated technology creates a distortion free optical lens. Eack package contains 3 stacks of 10 tearoffs for a total of 30 tearoffs. Clear Fits: Arai GP5, Shoei bike, Stand 21 Specifications Specifications