Black 31.8mm Threadless Stem – 80mm Length, 83/97d Steerer Tube Fit

Engineered Strength Meets Versatile Performance

The Dimension Stem combines rugged durability and precise handling into one compact design, perfect for cyclists who demand reliability across challenging environments—from technical mountain descents to daily urban commutes. Crafted entirely from high-strength forged 6061-T6 aluminum, this stem boasts superior rigidity compared to cast alternatives while keeping weight low enough for agile performance on any terrain.

A standout feature of this stem is its 4-bolt handlebar clamp system, engineered to provide unmatched grip under extreme conditions such as aggressive cornering or rough trail riding. Unlike two-bolt designs often found in budget models, this multi-point clamping mechanism ensures your bars stay securely fixed even during high-stress activities. It’s optimized for modern bikes featuring standard 31.8mm steerer tubes, but also includes an optional SM5317 shim kit, allowing seamless installation onto narrower 26mm handlebars without requiring costly upgrades. This makes it ideal for riders transitioning older mountain bikes while maintaining structural integrity.*

Safety comes first: We advise against using this stem with carbon fiber components due to potential damage risks caused by clamping pressures. It’s best paired with steel or alloy handlebars/steerer tubes, offering peace of mind during intense rides where sudden impacts occur regularly.

How Dimension Stems Outperform Others:

With its blend of forged construction and adaptability, this stem offers both performance-driven cyclists and weekend adventurers a reliable upgrade option that balances strength and ease of installation—all while avoiding compatibility issues common among competing products. Whether you’re conquering rocky trails or navigating pothole-filled city streets, the Dimension Stem ensures your ride stays stable and responsive every step of the way.*