OneUp Components 6 Bolt Disc Front Hub - Front - 15x110mm Boost - 32 Hole - J-Bend - Purple eBay they feature air pressure release

they feature air pressure release valves

easy-squeeze thanks to a softer material and a new high flow bottle cap with a self-sealing and leak-proof valve and optional dirt cover

and sometimes even harder

If you need additional Reverb Fluid - you can find it here

OneUp Components 6 Bolt Disc Front Hub - Front - 15x110mm Boost - 32 Hole - J-Bend - Purple eBay they feature air pressure releaseIntroducing New OneUp Components Hubs Lightweight, durable, with high quality bearings and seals to give you the best combination of performance, durability and price. This is the new benchmark for no nonsense hubs. Light enough for XC racing but strong enough for enduro abuse and E bikes. The 7075 aluminium hub shell with integrated rive ring is super light and strong. Our simple hub design has fewer parts to reduce weight, increase reliability and