This is a replacement/upgrade XDR freehub body with ceramic bearings, compatible with the Lún HYPER 3, HYPER 5, and Lún MEGA wheelsets.

XDR freehub bodies are designed for SRAM 12-speed road/gravel cassettes (and compatible 11-speed setups) — confirm your cassette's freehub standard before ordering.

Ceramic bearings reduce rolling resistance and typically last longer under load, at a higher price point than standard steel bearings.

Freehub body swaps are a straightforward home mechanic job with basic tools, but if you're not comfortable doing it yourself, any bike shop can fit it quickly.

Yes, though we'd recommend periodic cleaning and re-greasing given dustier Indian riding conditions to keep the bearings running smoothly.

Yes, authentic Winspace/Lún spare part stock.

Avoid pressure-washing directly into the freehub, periodically check for play or grinding, and re-grease or replace bearings if you notice increased resistance or noise.