OD: 30.9mm Length: 388mm Travel: 125mm Weight: 468g (Not includeing Remote Control) OEM package (This item is exactly as pictured and does not include retail package) Kind Shock Range-iS is a fully air spring、air-controlled dropper seatpost. The greatest feature of Rage iS is that it can fully customized travel adjustment and the spring pressure base on your body weight. The most impressive feature is that the riser adds air shock spring, which means it allowed the riser become functional of shock absorber. This is an extraordinary dropper seatpost that can improve the performance for riders who ride on the gravel road. Without a doubt, Rage iS is a phenomenal dropper seatpost. Features - Dropper combined with air-sprung suspension - Updated cylindrical upper clamp nuts do not spin - More vertical head clamp bolt angle - Dedicated cartridge architecture is reliable and smooth - Lightweight, rotating bottom actuator - Reduced actuation force - Longer travel options - Travel indicator o-ring - Alloy stanchion - Weight optimized alloy mast - Air sprung hydraulic cartridge - Press fit bushing and dust wiper - Designed for internal frame routing - Short insertion length to travel ratio SPECIFICATIONS - OD: 30.9mm - Length: 388mm - Travel: 125mm - Weight: 468g (Not includeing Remote Control) - Color: Black (as pic.shown) Contents : 1 pc/pack