4iiii Precision PRO 3+ Power Meter Battery Door Cover - Driveside

4iiii Precision 3+ Power Meter – Drive-Side Battery Cover Kit Factory Replacement

This 4iiii factory replacement battery cover kit is designed specifically for Precision 3+ drive-side power meter crank pods. It restores a secure seal over the battery compartment, protecting internal electronics from moisture, dirt, and road debris while maintaining proper battery retention.

Ideal as a replacement for damaged, worn, or lost battery covers, this kit ensures continued accuracy and reliability of your 4iiii Precision 3+ power meter.

Key Features

• Genuine 4iiii factory replacement part

• Designed for Precision 3+ drive-side power meter pods

• Compatible with all crank lengths

• Maintains proper battery sealing and retention

• Restores factory fit and finish

• Includes mounting bolts

Specifications

• Compatibility: 4iiii Precision 3+ drive-side power meters

• Crank Side: Drive-side only

• Crank Length Compatibility: All lengths

• Included Hardware: Yes (mounting bolts included)

OEM Bike Compatibility - 

Used as original equipment on the following models:

• 2026

  • S-Works Tarmac SL8 – Shimano Dura-Ace Di2

  • S-Works Roubaix SL8 – Shimano Dura-Ace Di2

  • S-Works Aethos 2 – Shimano Dura-Ace Di2

• 2025

  • S-Works Tarmac SL8 LTD – Remco’s Golden Season

  • S-Works Tarmac SL8 LTD – Forward 50 Collection

  • S-Works Tarmac SL8 – Shimano Dura-Ace Di2

  • S-Works Roubaix SL8 – Shimano Dura-Ace Di2

  • S-Works Aethos – Shimano Dura-Ace Di2

Installation Notes

• Intended for drive-side crank arms only

• Replace immediately if the original cover is cracked or damaged

• Ensure proper bolt torque to maintain sealing integrity

A small but critical component, this battery cover kit keeps your 4iiii Precision 3+ power meter protected and functioning accurately, maintaining the factory-correct setup on high-end Specialized road bikes.