Öhlins FGR 300 Electronic Front Fork

The Öhlins FGR 300 is the 43 mm upside-down electronic front fork fitted to the world's flagship superbikes as OEM. BMW's S1000RR uses it under the brand name "ERS" (Electronic Racing Suspension); Ducati's Panigale V4S uses the same FGR 300 under the Öhlins brand openly; Aprilia RSV4 Factory specifies the NIX30 variant. Yamaha's R1M uses the Öhlins ERS electronic fork. All four systems use the same FGR 300 physical fork internals with different ECU software calibrations — making the fork legs, cartridges, and spring kits cross-compatible between the world's best superbikes.