Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 CheckoutSpec= 2011+ Disc brake rotors should be

Disc brake rotors should be regularly checked for wear to ensure safety and performance

DMIX - Defender mix puncture protection features a highly elastic rubber impregnated with aramid fibers beneath the tread - Level 2 protection

45mm Chainline Rings 50/37 Number of Chainrings Double Drivetrain Speeds 12 Chainring BCD Direct Mount SRAM 8-Bolt Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Color Carbon Crank Length (mm) 175 Crank Intended Use Road BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Defined Color Carbon Size 175Mm Chainring 50/37T

Brake lever features an ergonomic Aaron Gwin designed alloy lever blade lever blade with dimpled accents for better grip on the trail

Front and bottom straps securely attach the bag to the rack

Ritchey WCS Drop In Integrated Upper Headset Assembly IS42/28.6 CheckoutSpec= 2011+ Disc brake rotors should beDrop in upper assembly with top cap starnut and cap for 1 1 8" steerer. 45 45 degree angular contact bearing Titanium coated for corrosion resistance S. H. I. S Upper IS42 S. H. I. S. Stem Clamp Diameter 28. 6 Threadless Color Black Bearing Type Sealed Cartridge Defined Color List Black