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

Easy to install and adjust to your own preference

Fast-acting

1mmShift Cable Length: 1500mm And 2300mmShift Cable Housing Diameter: 4mmShift Cable Housing Length: 2250mmShift Cable Material: Stainless SteelShift Cable Housing Material: Steel

The temperature-insensitive LITESHIELD FLEX protector technology provides exceptional 3D ventilation

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