The OneUp Dropper Seat Post V3 is the lightest, longest, smoothest and most reliable dropper post that will fit your bike.The OneUp V3 Dropper is even lighter than XC-specific, lightweight droppers and it has a low-maintenance design that’s easy to work on at home. The V3 is available in the widest range of travel options and is suitable for all rider weights and riding styles. This isn’t just the longest dropper that will fit your bike. It’s simply the best.OneUp Dropper Seat Post V3 FeaturesLightest infinitely adjustable dropper post availableShortest total length of any dropper postIGUS self-lubricating bushingsLow friction SKF SealPost can be fully disassembled in less than 10 minutes using only a 14mm wrench, a 5mm hex and 2mm hex (or the OneUp multi-tool)No custom tools required and no need to send your post away for maintenanceLonger service intervals: 120 hours for clean and grease / 350 hours for rebuildCartridge doesn’t need to be inflated30mm stack height is the shortest of any dropper post100% recyclable cartridgeTravel: 90mm / 120mm / 150mm / 180mm / 210mm / 240mmWeight: 325g / 370g / 415g / 460g / 515g / 585g (for 30.9)337g / 385g / 433g / 480g / 538g / 610g (for 31.6)408g / 472g / 535g / 600g / 675g / 765g (for 34.9)