5mm puncture protection ply underneath tread

Fast and precise shifting performance optimized to take on any trail

Durable stainless steel body plate reduces flex and wear

the diamond-shaped lugs squeeze in for grip as they contact dirt

GIANT OverDrive Zero Stack Headset - Tapered 1-1/8" / 1-1/2" - MTB - All E-Bikes - Black recumbant 5mm puncture protection ply underneathFits for Giant Liv Tapered Mountain Bikes and all Giant Liv E Bikes Internal bearing headset for tapered 1 1 8" to 1 1 2" steerer tubes Forged and CNC machined alloy cups Angular contact bearings Alloy top cap, see note below. Compatible with 10+ Giant mountain frames with tapered headtubes Use reducer crown race 49001 49035 to fit 1 1 8" non tapered forks * NOTE: May have alternative OEM top spacer substituted for the FSA tall stack. If this is a