Cast MTB DFX Direct mount Stem - Direct Mount Steerer - 35mm - 50mm - 0 Degree - Black PDP|PLP|Rail Material It is a little thicker

It is a little thicker than a standard windproof jacket but still quick minimal

All sockets are 3/8" drive

Multi-level seamless foams in strategic areas

Zeb Dual Position Air

which require 5mm of spacer above the stem

Cast MTB DFX Direct mount Stem - Direct Mount Steerer - 35mm - 50mm - 0 Degree - Black PDP|PLP|Rail Material It is a little thickerThe DFX stem, otherwise known as Downhill FX (downhill effects), is their top of the range race ready stem designed and developed with Greg Minnaar & Norco Race Division. The DFX stem is engineered to let riders precisely record and quantify their cockpit setup, making it easy to fine tune adjustments for a consistent, confidence inspiring feel, race after race. It also improves communication between riders and mechanics when making changes. Best