Experience Trail-Tuned Comfort with DNM’s Engineering Excellence The DNM 4-Link Suspension Seatpost redefines off-road riding comfort. Designed in Taiwan for demanding cyclists, its patented parallelogram mechanism isolates your body from impacts while maintaining pedaling efficiency – whether you’re tackling root-infested singletracks or cobblestone streets. Why Riders Choose This CTB Seatpost: Optimized 20mm Travel: Scientifically calibrated to absorb high-frequency vibrations without bobbing during climbs. Material technology: CNC-machined from 6061-T6 aluminum (658g) with abrasion-resistant sandblasting. 3x stronger than generic spring posts. Tool-Adaptive Damping: Carry a 6mm hex key to switch between plush cushioning (for descending) and firm support (for sprints). Zero Maintenance Design: Sealed copper bearings and dust-proof sleeve ensure silent operation in mud/wet conditions. Fits Your Bike Perfectly Direct Fit: 27.2mm / 30.9mm / 31.6mm seat tubes Included Shims: 28.6mm / 30.0mm / 30.4mm / 30.8mm / 33.9mm Note: 350mm total length; 90mm minimum insertion depth Technical Highlights - Weight: 658g (with hardware) - Color: Sleek Matte Black - Tool: 5mm hex for installation / 6mm hex for adjustment - Warranty: 1-year against manufacturing defects Ideal For: Mountain bikers, gravel adventurers, e-bike commuters, and anyone seeking spine protection on rough terrain. Upgrade from rigid posts today!