crankbrothers Highline 7 Dropper Seat PostEngineered for intense MTB rides, this dropper seatpost allows you to adjust your saddle’s position for optimum climbing and descending. Keeping your momentum flowing across unpredictable terrain conditions, this seat post features a tough aluminium construction to keep you in control. This makes it more than capable of handling all the knocks and bumps from riding across rocky terrain conditions at speed. Crankbrothers has also equipped this trail-ready seatpost with Igus bearings and a high-quality Jagwire cable. Features: Material: 7075-T6 Aluminium Use: MTB Max Extended Length: 237mm Max Insertion Length: 217mm Total Post Length: 367mm Minimum Stack Height: 47mm Bolt: 2-bolt Remote: Not included Included: Jagwire cable and casing Weight: 475g (30.9mm), 490g (31.6mm)Manufacturers Part Number: 31.6mm, 100mm: CRB-16379 30.9mm, 150mm: CRB-16382 30.9mm, 125mm: CRB-16380 31.6mm, 170mm: CRB-16385 31.6mm, 150mm: CRB-16383 30.9mm, 100mm: CRB-16378 31.6mm, 125mm: CRB-16381 30.9mm, 170mm: CRB-16384Buy Crank Brothers Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.