Product Description Specifications:Over Locknut Dimension:142 mm, 148 mmAxle Diameter:12 mmType:thru-axleTechnical Information:Axle Material:aluminium (7075)Nominal Diameter:M12Features:sturdy quick-release axle for a wide range of installation dimensions for connecting a FollowMe tandem hitch to the towing bikereplaces the rear wheel axle and can also remain installed on the bike without tandem hitchquick mounting with the aid of a hex keyaxle and thread made of CNC-milled aluminiumstainless steel end capsdoes not interfere with accessories such as child seats, bags and baskets Note: We recommend that you use the Robert Axle Project's configurator, which will guide you to the right axle using parameters such as bike brand and over locknut dimension. Models:12 x 142 mm, 1.0 mm, 154/160/167 mm: Use:rear: 12 x 142 mmAxle Length:167 mm; 154 mm, 160 mm with spacer sleevesThread Pitch:1.0 mmManufacturer Number:FOL117Mounting Kit:1 x flat 6 mm spacer, 1 x convex 6 mm spacer, 1 x end cap, 1 x washer 12 x 142 mm, 1.0 mm, 169/176/184 mm: Use:rear: 12 x 142 mmAxle Length:184 mm; 169 mm, 176 mm with spacer sleevesThread Pitch:1.0 mmManufacturer Number:FOL126Mounting Kit:1 x flat 3 mm spacer, 1 x convex 6 mm spacer, 1 x flat 12 mm spacer, 1 x end cap, 1 x washer 12 x 142 mm, 1.75 mm, 167 mm: Use:rear: 12 x 142 mmAxle Length:167 mmThread Pitch:1.75 mmManufacturer Number:FOL121Mounting Kit:1 x end cap, 1 x washer 12 x 142/148 mm, 1.5 mm, 169/172/178 mm: Use:rear: 12 x 142 mm, 12 x 148 mmAxle Length:178 mm; 169 mm, 172 mm with spacer sleevesThread Pitch:1.5 mmManufacturer Number:FOL114Mounting Kit:1 x flat 3 mm spacer, 1 x flat 6 mm spacer, 1 x end cap, 1 x washer 12 x 142/148 mm, 1.5 mm, FOCUS R.A.T.: Use:rear: 12 x 142 mm, 12 x 148 mmThread Pitch:1.5 mmCompatibility:FOCUS R.A.T. Systems with 12 x 142 mm or 12 x 148 mm Boost over locknut dimensionNote:Comes with nut, which replaces the original R.A.T. nutManufacturer Number:FOL114.FMounting Kit:1 x flat 6 mm spacer, 1 x end cap, 1 x washer, 2 x FOCUS R.A.T. nut 12 x 148 mm, 1.0 mm, 160/167/172 mm: Use:rear: 12 x 148 mmAxle Length:172 mm; 160 mm, 167 mm with spacer sleevesThread Pitch:1.0 mmManufacturer Number:FOL113Mounting Kit:1 x flat 3 mm spacer, 1 x convex 6 mm spacer, 1 x end cap 12 x 148 mm, 1.5 mm, 159/162/165 mm: Use:rear: 12 x 148 mmAxle Length:165 mm; 159 mm, 162 mm with spacer sleevesThread Pitch:1.5 mmManufacturer Number:FOL112Mounting Kit:1 x flat 3 mm spacer, 1 x flat 6 mm spacer, 1 x end cap, 1 x washer 12 x 148 mm, 1.5 mm, 176/182/188 mm: Use:rear: 12 x 148 mmAxle Length:188 mm; 176 mm, 182 mm with spacer sleevesThread Pitch:1.5 mmManufacturer Number:FOL122Mounting Kit:1 x flat 6 mm spacer, 1 x convex 6 mm spacer, 1 x end cap, 1 x washer 12 x 148 mm, 1.75 mm, 174/180 mm: Use:rear: 12 x 148 mmAxle Length:180 mm; 174 mm with spacer sleevesThread Pitch:1.75 mmManufacturer Number:FOL111Mounting Kit:1 x flat 6 mm spacer, 1 x end cap, 1 x washer 12 x 148 mm, 1.75 mm, 192/198 mm: Use:rear: 12 x 148 mmAxle Length:198 mm; 192 mm with spacer sleevesThread Pitch:1.75 mmManufacturer Number:FOL110Mounting Kit:1 x flat 6 mm spacer, 1 x end cap, 1 x washerContents:1 x 1 x mounting kit Weight: black | 12 x 148 mm, 1.0 mm, 160/167/172 mm: 142 g black | 12 x 142 mm, 1.0 mm, 154/160/167 mm: 142 g black | 12 x 148 mm, 1.5 mm, 159/162/165 mm: 142 g black | 12 x 142/148 mm, 1.5 mm, 169/172/178 mm: 142 g black | 12 x 148 mm, 1.5 mm, 176/182/188 mm: 142 g black | 12 x 148 mm, 1.75 mm, 174/180 mm: 142 g black | 12 x 148 mm, 1.75 mm, 192/198 mm: 142 g black | 12 x 142/148 mm, 1.5 mm, FOCUS R.A.T.: 142 g black | 12 x 142 mm, 1.0 mm, 169/176/184 mm: 142 g Manufacturer: The Robert Axle Project 45 SW Chehalem Dr Bend OR 97702 USA info@robertaxleproject.com Distributor: MERIDA & CENTURION Germany GmbH Blumenstraße 49-51 71106 Magstadt Germany vertrieb@merida-centurion.com