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Arrma (ARA)

SKU:ARA311047

27T Mod1 Safe-D8 Pinion Gear (ARA311047)

27T Mod1 Safe-D8 Pinion Gear (ARA311047)

The 27-Tooth Mod1 Safe-D8 Pinion Gear is a rugged steel pinion designed for 8mm motor shafts in RC models. Built for reliable power transfer and consistent braking in demanding conditions, its Safe-D design features a D-shaped hole that aligns with the shaft so drive isn’t lost if the set screw backs out. The kit includes an M4 x 4mm set screw and a 5.6mm E-clip to secure installation.

With a precise wide tooth profile for smooth engagement and a threaded hole for the set screw, this gear is built to withstand tough RC environments. It is tailored for 8mm shafts and ships with hardware that makes installation straightforward and dependable.

Regular price $15.99
Regular price $19.99 Sale price $15.99
Sale Sold out

  • Available: 5

    • Nankin Hobby Farmington: 2
    • Nankin Hobby Ypsilanti: 1
    • Nankin Hobby Southgate: 2

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Overview

The 27T Mod1 Safe-D8 Pinion Gear is a tough steel component designed for durability, making it an essential addition to any RC enthusiast's toolbox.

This pinion gear is precision manufactured with a wide tooth profile that ensures smooth operation under extreme conditions. It features a 'D' shaped hole matching the motor shaft profile, which guarantees that drive and brakes are maintained even if the set-screw were to loosen.

Designed to fit an 8mm motor shaft diameter, the gear includes a threaded set-screw hole for secure attachment. Additionally, an E-clip is provided to help retain the pinion on the motor shaft, ensuring reliable performance.

Each package includes one 27T Mod1 Safe-D Pinion Gear, a set screw (M4 x 4mm), and an E-clip (5.6mm).

Features

  • Strong and durable steel construction for long-lasting performance in extreme RC conditions
  • Precision manufactured wide tooth profile for smooth operation
  • 'D' shaped hole to match motor shaft profile, preventing loss of drive and brakes if the set-screw backs out
  • Compatible with 8mm motor shaft diameter
  • Precision manufactured threaded set-screw hole for secure attachment
  • E-clip supplied for motor shaft pinion retention
  • Includes 1 x 27T Mod1 Safe-D Pinion Gear, 1 x Set Screw (M4 x 4mm), 1 x E-Clip (5.6mm)

Needed to Complete

  • Set Screw - M4 x 4mm
  • E-Clip - 5.6mm

Specifications

  • Product Name: 27T Mod1 Safe-D8 Pinion Gear
  • Part Number: ARA311047
  • Material: Steel
  • Teeth Count: 27T
  • Tooth Profile: Wide tooth profile for smooth operation
  • Fitment: 8mm motor shaft diameter
  • Includes: 1 x 27T Mod1 Safe-D Pinion Gear, 1 x Set Screw (M4 x 4mm), 1 x E-Clip (5.6mm)
  • Special Features: 'D' shaped hole to match motor shaft profile, precision manufactured threaded set-screw hole, E-clip for motor shaft pinion retention