FSA Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8" 700x40 injection-molded polycarbonate lens for distortion-free

injection-molded polycarbonate lens for distortion-free optical clarity and increased impact resistance

Sealed stainless steel bearings

Fits into most hydraulic disc brake caliper bodies

the legendary Five Ten Freerider Pro mountain bike shoes from adidas hold their own on and off the bike

Performance ventilation is built in—a rear upper mesh panel encourages airflow when you heat up

FSA Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8" 700x40 injection-molded polycarbonate lens for distortion-freeFSA bearings that set directly into the frame without the use of pressed in cups. 36 45 degrees is Cane Creek compatible 45 45 degrees is Campagnolo compatible Fits all "Campagnolo Hiddenset" Frames