ProTek RC Yokomo YZ-4/YZ-2 CA & DT Titanium Rear Axle (2)

ProTek RC
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This is a pack of two optional ProTek R/C Titanium Rear Axles, intended for use with the Yokomo YZ-4 and YZ-2 1/10 Scale Buggies.

These titanium axles are CNC machined to near-exact tolerances from high-quality 6AL-4V (Grade 5) titanium alloy material and polished to a brilliant finish.

Weighing only 3.5 grams per axle, compared to 6.0 grams per steel axle, these titanium axles drop a combined 5 grams of rotating mass from the driveline. For the stock racer, these axles help decrease motor fatigue, boost efficiency and reduce overall weight.

Why Titanium?
Titanium is strong, dense and super lightweight. In fact, Titanium has one of the highest strength-to-density ratios of all the metal compounds, making it the best advantage for dropping weight without sacrificing strength or durability.

6AL-4V Grade 5

6AL-4V, or more commonly known as Grade 5, is a Titanium alloy mixture composed of 6% aluminum and 4% vanadium. It is significantly stronger than pure titanium but more expensive to manufacture. Grade 5 is the most widely used titanium alloy for its excellent combination of low weight, high strength and corrosion resistance.


  • CNC Machined Construction
  • High-Quality 6AL-4V Titanium Alloy
  • Reduced Rotating Mass
  • Steel Rear Axle Weight: 6.0g
  • Titanium Rear Axle Weight: 3.5g

NOTE: These axles are not compatible with the YZ-2 DTM, as well as the optional YZ-2 Aluminum Offset Rear Hub Carrier Set (YOKZ2-415RS).

This product was added to our catalog on November 12, 2015.

Oleg Gorbachev
Verified Owner
Monday, Aug 8 2016 (about a year ago)
ProTek RC Yokomo YZ-4/YZ-2 CA & DT Titanium Rear Axle (2)
Good product, but too much play between stock dogbone's pin and this axle cup comparing with steel stock one. Hole in this axle cup should be smaller)
Fred Jones
Verified Owner
Sunday, May 1 2016 (about 2 years ago)
ProTek RC Yokomo YZ-4/YZ-2 CA & DT Titanium Rear Axle (2)
You purchased this product on Monday, March 28, 2016
So they lasted 3 weeks for me. Didn't even know one was bent.. I was spinning my wheels when my buddy notice the out side wobble.

I guess I should have known better since the B5m version I got snapped on me.)