Wifli wifli wider faster lighter sram39s wifli technology is based on the compact 2 x 10 two front chainrings and 10 gears in the rear design inherent in sram apex and rival which delivers a wider range of gears than your standard triple faster shifts through two chainrings and 10 gears and with significant weight savings it39s the newest technology from the company that continues to innovate the cycling experience exact actuation when we launched our road technology fro