Product Description - smooth, reliable operation The Crankbrothers Highline 3 seatpost with 125 mm travel is a dropper post with stepless adjustment, which scores with its smooth function, quick return to the starting position and simple assembly. Its core is a self-contained hydraulic gas-oil cartridge of the highest reliability. The Jagwire cable, Igus bearings and Trelleborg seals stand for top quality. With its remarkably low profile and clean internal cable routing, the Highline 3 will also help cross-country racers and enduro specialists, trail riders and all-mountain kings to have more fun on their bikes. Specifications:Application:Cross Country, Enduro, All MountainTravel:125 mmDiameter:30.9 mm, 31.6 mm, 34.9 mmLength:421 mmSetback:0 mmTechnical Information:Actuation:mechanical handlebar remoteCable Routing:internalClamp:2-bolt clampCompatible Saddle Rails:7 x 7 mm (standard)Material:aluminium (7075-T6)Approved For:Insertion Depth (max.):245 mmInsertion Depth (min.):100 mmFeatures:lower insertion depth suitable for many framespremium seals by Trelleborgexclusive plain bearings by IgusJagwire cable and cable housingencapsulated hydraulic cartridge (gas-oil mixture) of high industrial quality and reliabilityinternal cable routingquick connection mechanism for easy cable installationlinear actuator for quick returnaluminium quillstandard 2-bolt clamp47 mm minimum construction height290 mm maximum extension length172 mm minimum extension lengthremote with especially flexible mount system available separately Maintenance Intervals: The maintenance intervals are dependent on riding style and geographical location. After every ride: Wipe dust and dirt from the seatpost, focusing on the seal area and the tip of the coil spring. Check the seatpost for any damage. Every 150-175 hours of riding time: Lubricate the internal components by unscrewing the collar, use coil-specific grease (never oil!) up to the sleeve under the collar and reassemble. Check screw connections for the specified torques. 450+ hours riding time: Check seatpost and replace internal components if necessary. Models:30.9 mm / 421 mm / SB 0 mm: Diameter:30.9 mmLength:421 mmSetback:0 mmManufacturer Number:16372 31.6 mm / 421 mm / SB 0 mm: Diameter:31.6 mmLength:421 mmSetback:0 mmManufacturer Number:16373 34.9 mm / 421 mm / SB 0 mm: Diameter:34.9 mmLength:421 mmSetback:0 mmManufacturer Number:16471Contents:1 x 1 x Jagwire cable1 x Jagwire cable housingOrder Together:The remote kit is required for use. Weight: black | 421 mm | 30.9 mm | 0 mm | 1-speed: 525 g (post + cable), plus 25-60 g outer casing black | 421 mm | 34.9 mm | 0 mm | 1-speed: 635 g (post + cable), plus 25-60 g outer casing Manufacturer: Crankbrothers 3100 W Segerstrom Ave Santa Ana CA 92704 USA info@crankbrothers.com Distributor: Cosmic Sports GmbH Leyher Straße 47 90763 Fürth Germany info@cosmicsports.de