EXTRALITE HyperBoost3 IS Straightpull rear hub

Race-proof hyper-engineered rear disc hub.
ABI Stainless cartridge bearings with high load capacity & low friction RS seals plus external O-ring seals.
Oversized 17mm axle with external micro- tuner.
36-60p.o.e. front-engagement freewheel with long-life polyurethane lip-seal.
Black anodized body with laser etched graphics.
Flanges for straight-pull d/b spokes: 24 – 28h
Rear axle type: Boost (12x148mm thru axle)
Freewheel options: Sram XD (11-12s), Shimano MTB 11s, Shimano 12s compatible (includes special lock-ring)
Bearing options: 440C Stainless Steel, HDC Hybrid Ceramic, XD-15 Ceramic.
Weight 148g