This LTE spacer is a lightweight alternative to the comparable STD model. This replacement spacer sleeve for 15x110mm width 6-bolt Neo thru-axle hubs ensures perfect bearing alignment and keeps the axle centered on the bearing. Must be used with bearings that are compatible. Compatible only with #6902 bearings measuring 15x28x7mm. Not compatible with any Centerlock hub. Not compatible with M-pulse or E-sync hubs.