CAST EFX Standard Mount Stem Size:45mm it has been continuously optimized

it has been continuously optimized and improved and is still considered a pioneer in the bicycle industry

together with a solid and constantly growing base of happy users

Fast-acting

many other manufacturers use the SRAM 8-BOLT interface

Ergonomic design for maximum hand comfort

CAST EFX Standard Mount Stem Size:45mm it has been continuously optimizedThe EFX stem, or otherwise known as Enduro FX (enduro effects), is our top of the range race ready trail stem designed and developed on the Enduro World Cup circuit with Greg Callaghan. The EFX 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