Switch was designed to make swapping chainrings easier and keep the price of replacement low, it also fits a whole range of cranks and frame specs. Switch is also unique that it the design allows the chainring to be easily removed, the bolts are just backed off(yes, you won't be loosing bolts) and then rotated and taken off the carrier. You can do this with the cranks installed on the bike. You'll need to choose the correct Switch carrier first, once you chosen the correct carrier you can use any of the OneUp Switch chainrings, oval or round to mount up to the carrier. Everything is included in the Switch carrier to install the chainrings. Will suit cranks with a direct mount interface from SRAM, e13, Race Face/Easton, Cannondale and Hope
