Ritchey WCS Drop In Integrated Lower Headset Assembly: 1-1/4" IS47/33 CheckoutSpec= Flat Washer }Shimano XTR RD-M9000 Rear Derailleur

}Shimano XTR RD-M9000 Rear Derailleur Bracket Axle Unit

}TRP R2 Disc Brake Rotor - 203mm 6-Bolt 1

Bolts directly to the fender

Forged aluminum alloy arms with an anodized finish for light weight and durability

Low-profile design fits under clothing

Ritchey WCS Drop In Integrated Lower Headset Assembly: 1-1/4" IS47/33 CheckoutSpec= Flat Washer }Shimano XTR RD-M9000 Rear DerailleurRitchey WCS Drop In Integrated Lower Headset Assembly: 1 1 4" IS47 33. Drop in lower assmbly with crown race. 45 45 degree angular contact bearing Titanium coated for corrosion resistance TECH SPECS Bearing Type Cartridge Color Black Crown Race 33 S. H. I. S Lower IS47