Cult Astronomical Hub Color:Black alloy internal tube spacer and

alloy internal tube spacer and extra crank arm spacers for spot-on chain alignment

Forged 24mm 48-splined boss that sits flush to prevent ankle scarring

Spline-drive design

ONLY COMPATIBLE WITH SPROCKETS THAT USE A 15/16" BORE (most modern sprockets)

- Neoprene and airprene main construction

Cult Astronomical Hub Color:Black alloy internal tube spacer andFeels like a cassette, sounds like a cassette, but FUNCTIONS LIKE A FREECOASTER. Utilizing the Planetary Clutch system that makes the hub lighter than traditional coasters and eliminates the usual slack that coasters have, all while reducing your engagement issues when rolling backwards. 6061 T6 aluminum hub shell. Sealed bearings. Planetary freecoaster internals. Chromoly axle and 9th driver. 36 hole. Includes both hub guards. *NOTE: This is not a