Race Face Vault Front Hub Caps The Race Face Vault Front Hub Caps can be installed and removed tool-free, making them a god send if you're ever out on a trip far away from all your tools or the nearest bike shop. If you got a new fork with a different axle standard, get some new end caps for your Vault hub and get back on the road or trail. Features Sizes: 20 x 110mm, 15mm Torque, 15mm Thru, 9 x 100mm QR, 12 x 100mm6-bolt rotor compatibility Aluminum construction Compatibility with Race Face Vault front hub only | Race Face | Vault Front Hub Caps 20 X 110Mm Boost For Vault 414 Hubs