Fast, secure, and easy to use, the HoldUp EVO is built to handle new bike standards, like fat tires and boost hubs, but it easily carries the classics too.
Compatible with most quarter-turn devices. Hinged design for easy installation on 31.8mm diameter bars. Positions your device in front of bar for safe viewing. Weighs just 22 grams.
Dynam uses high-flow IntelliVents, MIPS Air, and a super sleek design to encompass everything a modern high-performance helmet should be; light, ventilated, and race ready.