CAST EFX Standard Mount Stem Giant Jan Sale These bearings fit directly in

These bearings fit directly in frames with 41mm ID bottom bracket shells

Extensive use of elastic aerodynamic fabrics and a tightly wrapping

Travel : choose

strong and subtle pairing it with a Icon SS Water Bottle makes a perfect fit

CAST EFX Standard Mount Stem Giant Jan Sale These bearings fit directly inThe 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