TPU Rear Fender – Compatible with ETM RTR

THIS IS AN OLD MODEL AND MAY NOT BE PERFECT. DESIGNED 100% BY ME. This is an independently designed aftermarket part and is not affiliated with or endorsed by Electro & Co.


ETM RTR Rear Fender – Clean Tail Tidy Mod

This is a low-profile rear fender designed for the ETM RTR electric dirt bike. It replaces the bulky stock look with a tighter, more aggressive rear-end profile while still maintaining functional debris protection for trail riding.

The goal of this design was to clean up the tail section without compromising flexibility or durability. The  shape follows the natural tire arc and subframe line, giving the bike a more modern and performance-focused look.

⚠ IMPORTANT – Mounting Holes Are NOT Pre-Drilled

This model does NOT include pre-drilled mounting holes.

You will need to:

• Position the fender on your bike
• Mark your hole locations
• Drill your own mounting holes

This allows flexibility for slight variations in mounting position and ensures proper alignment on your specific RTR setup.

Take your time during fitment and test before final installation.

⚠ PRINT IN TPU ONLY

This part must be printed in TPU (flexible filament).

Do NOT print in PLA, PETG, ABS, or other rigid materials, unless you want it to break like the OEM one... LOL

A rear fender experiences:

• Constant vibration

• Dirt and rock impact

• Flex under load

• Temperature changes

Rigid materials will crack over time. TPU allows the part to flex instead of failing.

Recommended Print Settings:

• Material: TPU (95A recommended)

• 3–4 perimeters

• 15–25% infill (gyroid or cubic)

• 0.2–0.28mm layer height

• Moderate print speed (TPU-friendly speeds)

Fitment

Designed for:

• ETM RTR electric dirt bike

Always test fit before tightening hardware and verify tire clearance at full suspension compression.

Installation Notes

• Do not overtighten mounting bolts (TPU compresses)
• Recheck hardware after first ride
• Inspect regularly if riding hard or off-road

Disclaimer

This is a 3D printed functional part intended primarily for off-road use. Print quality, material choice, and installation directly affect durability and safety. Use at your own discretion.