All of the benefits of our Command Post IR but with Cruiser Control technology. With ten micro-adjust positions youll always be able to find just the right one for descending or climbing. Patented mechanical locking system with the addition of Cruiser Control Technology. Cruiser Control technology features added positions in the cruiser control range. Bonded lightweight aluminum micro-adjustable “alien” style head. Dual-keyway system eliminates saddle wiggle. Energized triple-lip wiper prevents contamination. Durable zero-gap dual-lip x-ring internal seal ensures long-term durability.30.9mm & 31.6mm seat post diameters. Three lengths of travel:o 75mmo 100mmo 125mmc/w SRL lever & handlebar lever