I stuck a Nikko G nib in my Noodler's Ahab : r/fountainpens

The Dead Ahab Scroll: Fixing Noodler's Ahab Fountain Pen

My Frankenpen: Using a Dip Nib in a Noodler's Ahab Flex Pen

Made of a clear demonstrator celluloid derivative material, this fountain pen features a steel flexible #6 nib and a slide piston mechanism.

Noodler's Ahab Flex Fountain Pen - Clear

Pilot & Namiki Falcons. SEF & SF. Noodler's Lexington Gray, J.Herbin Cafe des Iles

The Noodler’s Ahab/ Konrad replacement nibs are compatible with the Noodler’s Ahab and Konrad fountain pens. This nib is untipped and non flex.

Noodler's Ahab / Konrad Replacement Nib - Untipped Non-flex

2 Kanwrite 5.5 Ultra Flex F Fountain Pen Nibs TTF - Denmark

Noodler's Ahab Flex Fountain Pen - Clear Demonstrator

Thoughts on Noodler's Ahab? : r/fountainpens

Adjusting Nibs — Noodler's Ink

How to hack your Ranga fountain pen to accept Zebra G nibs. – Leigh Reyes. My Life As a Verb.

The Noodler's Ahab flex pen features a steel flexible #6 nib and a slide piston mechanism. If you'd like, you can even remove the piston mechanism and use the pen as an eyedropper for a massive 6ml ink capacity. This blue Ahab is made of a celluloid derivative and is technically biodegradable and formed from a renewable resource. The vegetal resin body of this pen may show particles or striations within the material.

Noodler's Ink Ahab Piston Fountain Pen - Charons Panther Pink, Blue

Noodler's Ahab + Zebra G Modification