Cane Creek 50 Headset - IS41/28.6/H9 Upper | IS52/40 Lower Tapered Black MPFN-09501 The Crossbar Substitute works as

The Crossbar Substitute works as a top tube with non-traditional style frame designs for easier rack mounting

Bearing Type Cartridge Bearing Type Sealed Color Silver S

}Muc-Off Anti Fog Treatment: 32ml Spray

} 12 speed Micro Spline freehub with 36 times/360 degree engagement

Cane Creek 50 Headset - IS41/28.6/H9 Upper | IS52/40 Lower Tapered Black MPFN-09501 The Crossbar Substitute works asAdditional machining on the cups, but incorporating all the features of the 40 Series headset while offering the perfect balance of performance and value Machined, bevel and relieved 6061 T6 aluminum for minimized weight and maximized strength with ZN40 sealed cartridge bearings Compatible with Cane Creek Interlok spacers and traditional spacers. Spacers sold separately TECH SPECS