Product Description This Fox Racing Shox Air Shaft air unit is an original spare part for your 38 Float Suspension Fork with NA2 air suspension from model year 2021, as well as the e-bike version. Guidelines for Replacing E-bike Components: Before replacing components on your e-bike, please read the guidelines for component replacement for CE-marked e-bikes/pedelecs with pedal assistance. Compatibility: 38 Float Suspension Fork Model 2021 38 Float E-Bike+ Suspension Fork Model 2021 Manufacturer Numbers: 160 mm: 820-02-570-KIT 170 mm: 820-02-569-KIT 180 mm: 820-02-568-KIT Contents: 1 x Fox Racing Shox Air Shaft Air Unit 1 x snap ring Manufacturer: FOX Factory GmbH Gewerbepark 6 66989 Höhfröschen Germany info@ridefox.com