Finally, A Flex Nib That Actually Works

Smooth line variation from hair-thin to bold strokes — without the scratching, skipping, or frustration.

Designed for real writers. Engineered to flex without fighting you.

Get Your XV Flex Pro

What Makes XV Flex Pro Different

Buttery Smooth Writing — Premium tipping material glides across paper like silk.

Perfect Ink Flow — No skipping, no hard starts, no dry patches.

Effortless Line Variation — 0.4mm to 2.0mm with gentle pressure.

Works Right Away — No breaking-in period or special techniques required.

Get Your XV Flex Pro

"I was skeptical about another 'smooth flex nib' but this completely changed my mind. The line variation is beautiful and it feels effortless."
— Amanda Thompson, Verified Customer

Perfect For Every Writing Style

Daily Journaling: Smooth enough for pages of comfortable writing.

Creative Expression: Add flourishes and emphasis with natural flex.

Personal Letters: Make your handwriting more expressive and beautiful.

Art & Calligraphy: Professional results without professional training.

Get Your XV Flex Pro

Exclusive Flex Experience

Our proprietary design redefines writing pleasure.

The XV Flex Pro Nib Set represents our commitment to writing excellence. This exclusive design balances everyday smoothness with artistic expression, delivering an experience that elevates both your daily correspondence and special creations.

Real Reviews From Real Writers

XV Fountain Pen Facebook Reviews

Choose Your Setup

For the nib-only product:
"Perfect if you already have a fountain pen that fits #6 nibs."

For the complete sets:
"Includes XV Flex Pro Nib + our premium pen body. Ready to write straight out of the box."

Engineered for the Writing Connoisseur

Where innovation meets tradition.

Our proprietary Flex Pro technology offers remarkable line variation from an extra-fine 0.4mm to an impressive 2.0mm with minimal pressure. The premium tipping material ensures buttery-smooth writing while our specialized design provides the perfect resistance for controlled flourishes and expressive lettering.

Artwork by our customers

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Regular G Nib vs XV Flex Pro Nib

  • Regular G Nib

    • Designed for calligraphy and artistic lettering.
    • Provides dramatic line variation with firm pressure.
    • Best suited for decorative writing projects.
    • Requires calligraphy technique for optimal results.

  • XV Flex Pro

    • Engineered for everyday writing with flex capability.
    • Smooth, effortless strokes from first touch.
    • Gentle pressure creates beautiful line variation.
    • Perfect for daily journaling, letters, and casual flex writing.
Get Your XV Flex Pro