Siegetek Revolution High Torque Gear Set w/ Pinion Gear (20.8:1 / 26.67:1) Ratio:26.67:1 Adjust to the best position

Adjust to the best position so that the helmet's comfortable stability will be improved greatly

Detachable LED Flashlight (LAM Unit)

but we will ensure similar performance and durability as best as we can

Mount up to three different components

Siegetek Revolution High Torque Gear Set w/ Pinion Gear (20.8:1 / 26.67:1) Ratio:26.67:1 Adjust to the best position("O" Pinion Gear Included) 4 gears in total. Siegetek gears are the best gears on the market. Period. Barring extreme user error, they are pretty much indestructible. We've installed hundreds of sets without a single failure. All components are CNC machined out of chromium molybdenum steel rods, case hardened and then given a chemical coating for even more durability. All other gear sets on the market are either cast or sintered, then press fit or