Full Speed Ahead Integrated Headset Lower IS-2 1-1/8 IS41.2/30 36x45 Alloy w/Rubber Seal CheckoutSpec= DebonAir + 42 BB/Frame Interface BB30 BB

42 BB/Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 127 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color Black

Tubeless optimization bead-stiffness and bead diameters tuned for use with straight-sidewall (TSS) or hookless-bead and hooked-bead rim designs alike

Ventilation: excellent ventilation through 8 air inlets and 6 air outlets

Includes inner pocket and drawstring

Full Speed Ahead Integrated Headset Lower IS-2 1-1/8 IS41.2/30 36x45 Alloy w/Rubber Seal CheckoutSpec= DebonAir + 42 BB/Frame Interface BB30 BBFull Speed Ahead Integrated Headset Lower IS 2 1 1 8 IS41. 2 30 (36x45) Alloy w Rubber Seal. Replacement lower headset from FSA. TECH SPECS Bearing Type Cartridge Crown Race 30 Color Silver Lower Stack Height 1 S. H. I. S Lower IS41