The Rotary Cassettes Boost 148x12mm axles are high-end mountain bike hubs with thru axle systems that will keep the rear end of a frame much more stable.   They are light enough for racing and strong enough to take big slopestyle jumps. Fully sealed, running on 4 bearings and featuring oversized alloy 7075 axles, you can be sure they will hold up any kind of abuse.

Specifications:

ROTARY Boost 148x12
Material: AL6061-T6 body, AL7075-T6 hardware
O.L.D: 148
Compatibility: compatible with all 148 x 12mm thru-axle frames
Bearings: 4x #6902 sealed bearings (2x main hub bearings, 2x inside cassette)
Freewheel body: light AL7075-T6 cassette, 9/10 speed compatible (*11speed freewheel body (SRAM XD-compatible) available separately as an upgrade)
Pawls: 4 pawls with 27 engagement points / each 13.3°
Disc brake: disc brake mount IS (International Standard / 6-bolts)
Available: in 32h version only
Weight: ~299g