Shimano Deore FC-M615 38T Chainring (to be paired with 24t) ModelNumber=H3959 Every Chris King headset is

Every Chris King headset is built with their heat-treated bearings and surgical-grade steel races machined simultaneously to ensure they are perfectly matched

5mm hex wrench and 8mm open-end wrench not included

622 / Road / 29" Tire Type Tubeless Ready Clincher Rim Material Alloy Hub/Brake Compatibility Center-Lock Disc

1-piece Aluminum caliper

Shimano Deore FC-M615 38T Chainring (to be paired with 24t) ModelNumber=H3959 Every Chris King headset isShimano Deore FC M615 38T Chainring (to be paired with 24t). Shimano Deore M610 Series 10 speed Chainring TECH SPECS Color Black Ring Position Type Outer Tooth Count 38 Drivetrain Speeds 10 Chainring BCD 104 Material Aluminum Defined Color Black