Product Description With the you can connect your trailer to bicycles with internally geared hubs. Technical Information:Material:stainless steelFeatures:for Croozer trailers with Click & Crooz tow barXL version for hard to reach dropoutsModels:CAC Enviolo: Over Locknut Dimensions:12 x 142 mm / 12 x 148 mmCompatibility:Enviolo CA-SP 12 x 142/148 internally geared hubsManufacturer Number:122502619 XL CAC Enviolo: Over Locknut Dimensions:12 x 142 mm / 12 x 148 mmCompatibility:Enviolo CA-SP 12 x 142/148 internally geared hubsManufacturer Number:122502519 M10 x 1: Threads:M10 x 1 fine pitch treadsCompatibility:SRAM i-MOTION 9, SRAM i-MOTION3, SRAM Torpedo Singlespeed, SRAM G8, SRAM Dual Drive III, ROHLOFF Speedhub 500/14, NUVINCI: N360, NUVINCI BIONIXManufacturer Number:122003516 XL M10 x 1: Threads:M10 x 1 fine pitch treadsCompatibility:SRAM i-MOTION 9, SRAM i-MOTION3, SRAM Torpedo Singlespeed, SRAM G8, SRAM Dual Drive III, ROHLOFF Speedhub 500/14, NUVINCI: N360, NUVINCI BIONIXManufacturer Number:122003716 FG 10.5: Threads:10.5 fine pitch threadsCompatibility:SRAM Spectro S7/Super 7, SRAM Spectro P5/Pentasport, SRAM Spectro 3 x 7, SRAM Dual Drive I + IIManufacturer Number:122003816 XL FG 10.5: Threads:10.5 fine pitch threadsCompatibility:SRAM Spectro S7/Super 7, SRAM Spectro P5/Pentasport, SRAM Spectro 3 x 7, SRAM Dual Drive I + IIManufacturer Number:122502218 3/8 x 26: Threads:3/8 x 26 fine pitch treadsCompatibility:Shimano Alfine, Shimano Nexus Inter 8, Shimano Nexus Inter 7, Shimano Nexus Inter 3Manufacturer Number:122003416 XL 3/8 x 26: Threads:3/8 x 26 fine pitch treadsCompatibility:Shimano Alfine, Shimano Nexus Inter 8, Shimano Nexus Inter 7, Shimano Nexus Inter 3Manufacturer Number:122502318Contents:1 x Manufacturer: Croozer GmbH An der Hasenkaule 10 50354 Hürth Germany info@croozer.com