Praxis Works don't do conventional. They set out to create something better than everything else. The Buzz 130 BCD Chainrings are one such example. A unique construction method and advanced shifting features create the ultimate aftermarket chainrings.Unique cold forged 7075 T6 aluminium construction is lighter, stronger & more durable than stamped or machined chainringsLevaTime Shifting Technology boasts synchronised ramps & shift pins to deliver perfect shifts every timeCompatible with 5-arm 130mm BCD cranksetsFor use with 10 & 11-speed drivetrainsWhereas most chainrings are stamped or machined pieces of aluminium, the Praxis Works Buzz 130 BCD Chainrings that are cold forged from 7075 T6 aluminium and then hard anodised. This unique method creates chainrings that are just as light, but are much, much harder wearing and provide slicker shifting for longer. Further improving the shifting performance is Praxis Works LevaTime Shifting Technology. LevaTime Shifting boasts a series of sync