Direct Mount Chainrings Options:Direct Mount, 47t Chainring Black LifeLine™ palm construction eliminates bunching

LifeLine™ palm construction eliminates bunching

The new design features six slots that are machined into the base of the valve stem

optimum combination of speed and durability

With just 4 degrees of engagement

It’s going to hit the ground

Direct Mount Chainrings Options:Direct Mount, 47t Chainring Black LifeLine™ palm construction eliminates bunchingMachined from high end aluminum, Promax Direct Mount chainrings are made to be lightweight yet extremely durable to handle the torque and stress of modern BMX racing and other single ring applications. Uses SRAM 3 bolt direct mount chainring to crank interface Provides a lighter set up by elimating the use of a spider while remaining strong and stiff CNC Machined from high grade 6061 T6 series aluminum for high strength while providing weight savings