Product Description This Fox Racing Shox Air Shaft air unit serves as an original spare part for your 38 Float Suspension Fork with NA2 air suspension as of model 2021, as well as the e-bike version. Guidelines for Replacing E-bike Components:Before you replace components on your e-bike, please read through the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance. Compatibility:38 Float Suspension Fork Model 202138 Float E-Bike+ Suspension Fork Model 2021Manufacturer Numbers:160 mm:820-02-570-KIT170 mm:820-02-569-KIT180 mm:820-02-568-KITContents:1 x Fox Racing Shox Air Shaft Air Unit1 x snap ring Manufacturer: FOX Factory GmbH Gewerbepark 6 66989 Höhfröschen Germany info@ridefox.com