No Ernie without Bert, no Fix without Foxi, and of course no Climb without Hill! 
 
TUNE's Boost Centerlock hub. Simple and quick rotor assembly with a shapely and easy to clean transition from rotor to hub. 

All TUNE hubs are milled, lasered and assembled in Buggingen, Germany. TUNE hubs have a unique construction: no bearing misalignments or binding even under highest clamping force thanks to adjustable bearing play. Solid, uncomplicated, quality materials and precision bearings. Precision machined and longlasting even under the most adverse conditions. 

Available in all TUNE anodized colours! 

For 12mm thru-axles. Perfect for disc road bikes and graves bikes! 
 
Note: Please specify freewheelbody required in the notes when ordering.