Emax RSII 2306 Race Spec 1600KV - 2600KV Brushless Motor

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Manufacturer Description

The Next Step in Evolution

Taking the superior design points from both the original Race Spec and the Lite Spec Series has birth the ultimate predecessor to the EMAX line of groundbreaking brushless technology, the Race Spec II.

Durability - Reliability

Featuring a strengthened Titanium Hollow Shaft, no longer is there a sacrifice of durability for weight. With improved quality control metrics, we have created the most reliable brushless line tested by professional pilots, in every condition.

Numbers Don't Lie

Backed by thousands of tests and simulations over 6 months of development, our True Performance Charts demonstrate that we have created the most groundbreaking brushless motor yet.

Lightweight Bell Design

Designed around our uniquely engineered lightweight bell, concern over damage will be a thing of the past, while retaining the least amount weight possible. All of this, beautifully wrapped in our breath-taking dual color anodizing.

Arc Magnets - Single Wind

While utilizing the proven Arc Magnet technology, speed, control, and power will all be at your disposal with no compromise to efficiency. Paired together with Single Wind Copper wire, flight times will no longer be a concern for pilots looking to maximize their flight performance.

Loved by the Pros

With world class pilots Shaun Taylor, Conrad Miller, Jerrod Quillen, and Zach Carlson racing the Race Spec Series II, the new standard in brushless technology has arrived.


  • EZO bearing
  • Titanium shaft
  • Dual anodizing
  • 16mm x 16mm hole pattern
  • Single copper winding
  • 115mm 20 AWG silicone wire


  • Brand: EMAX
  • Type: In-Runner
  • Framework: 12N14P
  • No. of Cells: 3s - 4s, 2300KV - 2700KV
  • No. of Cells: 3s - 6s, 1500KV - 1900KV
  • Propeller: 5.0" - 5.5"
  • Prop Adapter: M5
  • Bearing Shaft: 4mm
  • Shaft Thread: CW and CCW
  • Hole Mounting Pattern: 16mm / 16mm
  • Dimensions: 27.7mm Long / 27.7mm Wide / 30.2mm Tall
  • Weight: 26.6g (without silicone wire)


  • 1x RSII 2306 Race Spec Motor
  • 5x M3X7 Screws
  • 5x M3X6 Screws
  • 1x Aluminum M5 Nylock Nut
  • 1x Washer and Screw (for drive shaft)


  • 1600KV
  • 1700KV
  • 1900KV
  • 2400KV
  • 2600KV

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