Product Description Models:Type 1: Convertible to: Pike 160 mm 26" , Pike 150 mm 27.5" , Pike 150 mm 29+, Lyrik 150 mm 27.5" , Lyrik 150 mm 29" , Lyrik 150 mm 29+, Yari 150 mm 27.5" , Yari 150 mm 29" , Yari 150 mm 29+Compatibility: Lyrik Dual Position Air models as of 2016, Yari Dual Position Air models as of 2016Manufacturer Number: 11.4018.026.005 Type 2: Convertible to: Pike 160 mm 27.5" , Pike 160 mm 29+, Lyrik 160 mm 27.5" , Lyrik 160 mm 29" , Lyrik 160 mm 29+, Yari 160 mm 27.5" , Yari 160 mm 29" , Yari 160 mm 29+Compatibility: Pike Dual Position Air models as of 2014, Lyrik Dual Positin Air models as of 2016, Yari Dual Position Air models as of 2016Manufacturer Number: 11.4018.026.006 Type 3: Convertible to: Pike 150 mm 29" , Lyrik 170 mm 27.5" , Yari 170 mm 27.5"Compatibility: Pike Dual Position Air models as of 2014, Lyrik Dual Positin Air models as of 2016, Yari Dual Position Air models as of 2016Manufacturer Number: 11.4018.026.009 Type 4: Convertible to: Pike 160 mm 29" , Lyrik 180 mm 27.5" , Yari 180 mm 27.5"Compatibility: Pike Dual Position Air models as of 2014, Lyrik Dual Positin Air models as of 2016, Yari Dual Position Air models as of 2016Manufacturer Number: 11.4018.026.007Contents:1 x RockShox Dual Position Air air shaft Manufacturer: SRAM LLC 1000 W. Fulton Market 4th Floor Chicago IL 60607 USA info@sram.com Distributor: SRAM Europe Sales and Services B.V. Paasbosweg 16 3862 ZS Nijkerk Netherlands info@sram.com