Excess EFW-S Freewheel Gear Size:18T Back pad certified to EN1621-2

Back pad certified to EN1621-2 Level 1

Arch size (mm): 103

lightweight and perfect for all day riding or race day performance

The Box Hex Lab Titanium Lock Ring at J&R Bicycles is made from precision extruded CNCd titanium for maximum strength and engineered for efficient control

Excess EFW-S Freewheel Gear Size:18T Back pad certified to EN1621-2The Excess EFW S Freewheel at J&R Bicycles is designed to deliver responsive and efficient power transfer with the use of high end alloy and tech. Built from durable, cold extruded chromoly steel alloy, the Excess EFW S features 3 pawls that provide 36 points of rapid engagement. This freewheel is available in tooth sizes 14 18, with the 14T weighing just 4. 2oz and the 18T weighs a mere 6. 5oz. The Excess EFW S Freewheel offers premium performance at