RockShox Reverb Stealth Dropper Seatpost - 31.6mm, 100mm - The internally routed Reverb Stealth B1 uses increased bushing overlap for longer travel options and improved internal floating piston for greater reliability and increased ride time between service intervals. The valving has been sped up for those preferring faster return rates on their post. The slow speed on the B1 generation is as fast as the fastest setting on the A2 generation.1650 mm hose length2-Year WarrantyAdjustable return speed by turning the collar on the remoteLeft lever will sit above the handlebar when mounted on the left side and below the handlebar when mounted to the right sideThe Connectamajig hydraulic coupling hose allows initial set-up without the need to bleed the system