Designed to optimise performance in fixed gear criteriums. The tooth is smooth and curved on all sides, with wide arcs that fit the chain exactly, ensuring perfectly tuned acceleration and deceleration. Smooth, Stiff, Responsive. The Drillium is precision double machined.

Specs:

• Teeth Profile: 1/8

• Material: 7075 Alloy

• Plate Width: 5mm outer-ridge machined down to 4mm center