PRO-2 ProTrac Axle Kit by Pro-Line

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This product is expected to arrive on Apr 27, 2017.
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This is an optional Pro-line PRO-2 ProTrac Axle Kit, and is intended for use with the Traxxas Slash 1/10 scale short course truck equipped with the optional Pro-Line ProTrac Suspension Kit (PRO6062-00). Using the latest in computer aided design and engineering, Pro-Line has developed proprietary axles that help you get the most out of your ProTrac equipped Slash. The all steel construction of the shafts, outdrives, axles and pins provide maximum durability and can handle all the power your motor can provide. Pro-Line includes super lightweight outdrives in the PRO-2 Axle kit to improve acceleration by lowering rotating mass and also includes axle snap rings that eliminate drive pins from ever falling out. 


  • Black Oxide Steel construction for ultimate durability
  • Lightweight outdrives provide improved acceleration
  • Axle Snap Rings eliminate drive pin loss
  • Designed specifically for Slash drivers with Pro-Line’s ProTrac kit


  • (2) Lightweight Outdrives
  • (2) Drive Pin
  • (2) Drive Pin Holder
  • (2) Outdrive Set Screw
  • (2) 3x3mm Set Screw
  • (2) Steel Axles
  • (2) ProTrac Drive shafts
  • (2) Axle Snap Rings
  • (2) Roll Pin

This product is expected to arrive on Thursday, April 27 2017.

Jon Haefner
Verified Owner
Thursday, Mar 14 2013 (about 4 years ago)
Pro-Line PRO-2 ProTrac Axle Kit
Be warned, Pro-Line's advertising is inaccurate! These are stated to fit the Slash 2WD with Pro-Line ProTrac kit installed. I installed two of these kits in two Slash's I own and neither fit as they should. The dog bone is not long enough to provide adequate penetration into the drive cups. I was optimistic, thinking worst case is at full droop and maybe the would work but, one trip to the track proved me wrong...bones kept popping out! I've since replaced with Techno bones and hubs (they don't offer a direct fit kit for the ProTrac suspension but, they have a the standard kit TKR1951X and the TKR2210 dog bones that are longer), and fit / durability are perfect / far superior in design. Pro-line missed the design mark on this one for sure!!!)
William Glaspie
Sunday, Jul 17 2016 (9 months ago)
Pro-Line PRO-2 ProTrac Axle Kit
I have the proline scb kit. Very fast but it is one of the least durable kits I've ever seen. These out drives are certainly part of that problem. Just a couple practice days have been cause for me to have to replace 3 out drives (broken), 3 joint pins, and now the ball joint. I haven't even gotten a chance to race it. Smh. Fast car but full of issues.)
Monday, Jan 26 2015 (about 2 years ago)
Pro-Line PRO-2 ProTrac Axle Kit
Lightweight Outdrives not durable!very!
And transmission angle is very small, less than 60 °)