NJF Rain Tail - Collapsible Bike Fender Mudguard - Vintage Bike Part Revival

A forgotten classic, revived for modern riders.
Inspired by the brilliantly simple Kashimax Rain Tail, the NJF Rain Tail brings a vintage cycling solution back to life using modern 3D printing. Hidden neatly beneath your saddle, this collapsible mudguard stays out of sight until the moment you need it most—ready to deploy when the road turns wet.

Introducing the NJF Rain Tail

Vintage Ingenuity. Modern Manufacturing.

🚴 Once thought lost to cycling history, the clever saddle-mounted Rain Tail design has been reborn. The NJF Rain Tail takes inspiration from the beautifully engineered Kashimax original and reimagines it using durable 3D printed construction—bringing a practical, minimalist mudguard back to today’s bikes.

Key Features

✨ Vintage Design Revival
Inspired by the iconic Kashimax Rain Tail, this clever collapsible mudguard captures the spirit of classic cycling accessories while giving it a modern NJFexport twist.

🛠️ Precision 3D Printed Construction
Designed and produced in small batches using high-quality materials, the NJF Rain Tail is lightweight, durable, and built to handle everyday riding conditions.

🌧️ Hidden Until You Need It
Mounted discreetly beneath your saddle, the Rain Tail folds away when not in use. When rain hits or roads turn messy, simply pull it out for instant rear-wheel spray protection.

🚲 Minimalist Everyday Utility
Install it once and forget it’s there. Perfect for commuters, track bikes, road bikes, and vintage-inspired builds where clean aesthetics matter.

🌟 Designed by NJFexport
Created for cyclists who appreciate thoughtful design, cycling history, and practical accessories that blend seamlessly with their bike.

🔧 Simple Installation
Attaches easily to standard saddle rails. Once installed, the collapsible guard tucks neatly under the saddle until deployment.

Tech Specs

Lightweight 3D printed construction
Saddle rail mounted design
Collapsible mudguard deployment
Compatible with most standard saddle rails

NJF Rain Tail — a clever piece of cycling history, brought back for the modern ride.