Stem Holder V3 Pro | E-MTB Cockpit Maintenance Holder

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Stop risking your cockpit during fork and headset maintenance.

Stem Holder V3 PRO is a professional workshop support designed to safely hold your stem, spacers, cockpit and brake components during fork removal or headset service.

Modern MTB and e-MTB cockpits are heavy, complex and expensive. Displays, integrated cables and powerful brake systems turn your handlebar assembly into unstable dead weight once the fork is removed.

Stem Holder V3 PRO was developed from real workshop experience to provide a safer and more professional maintenance solution.

efficient, easy to transport, store and takes up little space among the tools.

From today the download package also includes the new StemSupport V3 PRO MAX version, an extended version of the PRO model designed for users who need more stability and storage capacity during maintenance operations.

The PRO MAX version features a longer structure, a larger storage tray and compatibility with fixing straps up to 30 mm width (while the PRO version supports straps up to 20 mm). This makes it particularly useful when extra stability or higher load capacity is required, especially on heavy e-MTB cockpits.

WHY Stem Holder V3 PRO IS DIFFERENT

• Designed specifically for modern MTB and e-MTB cockpits
• Supports heavy stems and integrated displays
• Prevents stress on brake hoses and internal cables
• Keeps spacers organized during service
• Integrated brake caliper retention hooks (V3 feature)
• Magnetic hardware tray for bolts and small parts
• Tool holder holes for workshop organization
• Improved structural stability
• Prints without supports
• Professional workshop oriented design
• PRO MAX version included for increased stability and storage capacity

Replacing a damaged display or brake hose costs far more than this tool.

V3 PRO FEATURES (LATEST VERSION)

This is the most advanced evolution of the StemSupport project, including:

• Brake caliper retention hooks to secure the front brake when the fork is removed
• Enlarged magnetic tray for bolts and headset parts
• Tool holder holes for hex keys or small tools
• Reinforced structure for heavy e-bike cockpits
• Optional magnet version
• Version without magnet slot included
• Magnetic tray designed for 10 mm diameter × 2 mm thickness magnets

PRO MAX ADDITIONAL FEATURES

• Extended body for improved balance and stability
• Larger storage tray for tools and components
• Compatible with straps up to 30 mm width
• Designed for heavier cockpit configurations
• Ideal for professional workshop use

Compatible with most MTB and e-MTB stems.

INCLUDED FILES

• Stem Holder V3 PRO STL
• Stem Holder V3 PRO (no magnet version) STL
• Stem Holder V3 PRO MAX STL
• Stem Holder V3 PRO MAX (no magnet version) STL

WORKSHOP BENEFITS

• Faster fork removal operations
• Safer cable and brake management
• Cleaner and more organized workspace
• Reduced risk of damaging expensive components
• Better small parts management
• Choice between PRO and PRO MAX depending on stability needs

Upgrade your maintenance setup with a safer and more professional cockpit support.