Wolf Tooth Premium Internal Headset - EC44 Upper / EC44 Lower For Enve In-Route System Only Blue CheckoutSpec= Lyrik RCT3 27.5/29/27.5 Boost Compatible 15x110 29/27+ Boost Compatible 15x110 RVL technology Royalgel Ergonomic Channel

Wolf Tooth Premium Internal Headset EC44 Upper EC44 Lower For Enve In Route System Only Blue CheckoutSpec= Lyrik RCT3 27.5 29 27.5 Boost Compatible 15x110 29 27+ Boost Compatible 15x110 RVL technology Royalgel Ergonomic Channel RVL technology Royalgel Ergonomic Channel Color Black Rings 34 50 Rings 50 34 Number of Chainrings Double Crank Length (mm) 175 Crank Intended Use Road Drivetrain Speeds 11 Weight 688 BB Included No Pedal Spindle 9 16" Spindle Interface Type SRAM Truvativ GXP Chainring BCD 110 Chainline Hub Compatibility 130 Hubs Chainline Hub Compatibility 135 142 Road Disc Hubs > 415 mm Chainstay Defined Color Black