This is the Praxis Works Double 120/80mm BCD Mountain Bike Chainring Set. Every single Praxis chainring is created using their proprietary forging technique, allowing Praxis to delicately manipulate the ring shape and tooth profile more than ever before. With Praxis' ''One-Shot'' forging, they are able to increase the amount of shifting features on a chainring above that of which normal CNC manufacturing would allow. The process also creates a harder and tougher surface for durability. Individual tooth profiles, alternating tooth angles, timed ramps and tactically placed shift elevators are all jam packed onto a Praxis ring. Translation: All of these small aggregate features add up to the most durable and consistent shifting rings ever produced for cyclists.
LevaTime shifting technology is the combination of the intricate features and timing points built in to our chainrings. Like all great marriages in life, timing is everything. A large part of Praxis' LevaTime shifting system is the timing and clocking of the outer and inner rings together. All of the Praxis ring combinations are precisely designed in concert for an optimized shifting experience. The final result is a set of some of the finest and fastest-shifting rings available and longest lifetime of any ring on the planet.