Park Tool AV-5 Axle/Spindle Vise Inserts XC Helmet is designed to match

Helmet is designed to match goggles-frame curvature

Track your body’s energy levels to find the best times for activity and rest1

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Made from premium materials and custom hardware inspired by high-end climbing gear

Park Tool AV-5 Axle/Spindle Vise Inserts XC Helmet is designed to matchAxle and Spindle Vise Inserts The Park Tool AV 5 is a great shop accessory made to hold a wide variety of axles and spindles to enable bicycle wheel and hub maintenance. In addition to most common quick release and thru axle sizes, the AV 5 features smaller openings to accommodate brake and shifter housing or hydraulic hose. The AV 5 also features a 1" hex opening for use with Park Tool cassette and freewheel tools such as the FR 1. 3 or FR 5. 2G.