2014 Drillium Track Chainrings
Name: Drillium Swallow
Finish: Black Anodised, Silver Anodised
Re-Drilled: Black Anodised Re-drilled chainrings have drillium holes that shine like jewels!
Teeth Profile: 1/8th
BCD (Bolt Circle Diameter): 130 or 144 bcd.
Plate Width: 5.8mm outer ridge machined down to 4mm center.
Material: 7075 Alloy
Design Detail: The Swallow. Here's to Freedom, Hope and the many miles travelled!
Drillium. As a nod to the racing in decades past, Eddy Merckx and the hour record. Lighten the weight but not the strength and watch how it catches the light!