MEROCA 5-Linkage Air Suspension MTB Stem, 20mm Travel 160/190N, Aluminum Alloy Shock-Absorbing Handlebar Stem for Mountain Bikes, 31.8mm/28.6mm Fit (Silver, SS02)

• 5-Linkage Air Suspension Design – Upgraded from 4-linkage with an added air-pressure rod, ensuring smoother compression/rebound and near-horizontal handlebar alignment for stable steering on rough trails
• Durable 6061 Aluminum Alloy – Forged body withstands high-impact rides, offering 398g lightweight strength and corrosion resistance for long-term reliability
• Adjustable 20mm Travel & Dual Spring Rates – Choose soft/hard air springs (160N/190N) for tailored shock absorption, ideal for 45-110kg riders and diverse terrains
• Vibration Isolation & Silent Ride – Lower buffer rubber dampens rebound shocks and eliminates noise, while the linkage system reduces 90% high-frequency vibrations
• Safe & Easy Installation – Tool-free cylinder swap, 31.8mm handlebar/28.6mm fork compatibility, and reinforced locks ensure secure rides even during hard braking

Conquer Trails with Precision Control The MEROCA 5-Linkage Air Suspension MTB Stem redefines off-road comfort. Its patented 5-linkage mechanism integrates a titanium-reinforced air spring, delivering 20mm of buttery-smooth travel that isolates handlebar vibrations while keeping steering angles consistent—no more wrist fatigue on rocky descents! Built for Durability Crafted from forged 6061 aluminum alloy, this stem weighs just 398g yet withstands extreme impacts. The 160N/190N dual spring rates let you customize damping for your weight (45-110kg) and terrain, whether tackling root-filled singletracks or gravel roads. Silent & Stable Performance A built-in rubber buffer absorbs harsh rebounds and eliminates metallic noise, while the linkage’s “floating” design ensures your handlebars stay parallel to the ground—critical for maintaining control during technical climbs or sudden stops. Easy Setup, Zero Hassle Swap air springs in minutes with the tool-free cylinder system. Compatible with most 31.8mm handlebars and 28.6mm forks, it’s a seamless upgrade for MTB, gravel, or commuter bikes. Plus, the sleek black/silver finish adds a pro-level look to your rig. Warning: Never use without installing the air spring or if it fails to rebound.