Wolf Tooth Premium Headset - EC34/30 Lower Black ModelNumber=J2487 }Shimano Dura-Ace SM-RT900 Disc Brake

}Shimano Dura-Ace SM-RT900 Disc Brake Rotor Lock Ring and Washer

The ALiEN X features T10 T15 T20 T25 and T30 Torx tools and adds a power link pliers for use on master link equipped single/multi-speed chains

}e*thirteen Helix Race e*spec Chainring 36T Bosch Gen4 Direct Mount 13mm Offset Shimano/SRAM 11/12s Compatible Black

Chain Connection Type Single Use Master Link Color Silver Defined Color Silver Drivetrain Speeds 12 Half Link Chain No Links (links) 120

Wolf Tooth Premium Headset - EC34/30 Lower Black ModelNumber=J2487 }Shimano Dura-Ace SM-RT900 Disc BrakeWolf Tooth Premium Headset EC34 30 Lower Black. Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high end bearings made by Enduro. They are engineered to use the largest possible ball size and are filled with high pressure waterproof lubricant. A pair of dual lip seals ride in micro grooves to keep out water and debris. Stainless Steel Bearings provide unparalleled corrosion resistance Highly recommended if your