JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)

This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Low Price: $9.00
Discontinued Online

This is an optional JConcepts 12mm Aluminum Rear Hex Adapter Set, and is intended for use with the Associated SC10 and Losi XXX-SCT trucks. Converting the SC10 and XXX-SCT to 12mm hex drive is simple with these rear hex adapters from JConcepts. Precision machined, blue aluminum anodizing with a clamping style design make-up the design elements that combine durability and functionality. Installation is simple and converts the rear of the SC10 and XXX-SCT to the more popular 12mm design. Requires JConcepts JCI3332B wheel for proper offset and handling characteristics.


  • Simple, clamping 12mm design and function
  • Durable, aluminum material with blue anodizing

This product was added to our catalog on April 7, 2011.

Seth Rippee
Verified Owner
Monday, Jan 9 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
Totally agree with Stickman!! I just got these today (9/Jan/2012) and they stripped the adapter threads the very first time I put the screws in (didn't even begin to tighten them). I'm not sure what extremely small screw they're using but I had to drill and tap it up to a 2-56 to make it work, now it tightens down fine. I just hope they hold up on the race track......................UPDATE 19/Feb/2012 >>> While racing we toasted a bearing and had to replace it but the screw on the hex adapter stripped. We had to drill out the screw which of course totally messes up the whole aluminum adapter. I'm through with these things!!)
Chris Elena
Thursday, Jan 16 2014 (about 3 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
I try to be really fair and unbiased when I write reviews. I don't expect any product to be perfect and I do not give anything a glowing review just because I like the brand. I like jconcepts tires and some of the other hop ups they make. These however, are hot garbage rotting in the sun. I barely tightened these, as in the screw just started to clamp down enough that I could not just pull the hex adaptor off the axle. This POS immediately rewarded me with popping right out of thread and stripping. I am not an RC newbie and I do not over tighten my bolts. We are talking about bare minimum to make these function as designed. Do yourself a favor and buy the AE ones instead so you don't waste your money like I did.)
Gerry Perez
Wednesday, Feb 6 2013 (about 4 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
Doesn't fit well on 12mm hex wheels, even the JConcepts ones. To make it fit you have to tighten the hex screw a little more but you'll end up stripping th threads. Poorly made. Buy the associated ones they fit well.)
Brett Bowen
Verified Owner
Saturday, Jun 2 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
These adapters are a great solution in trying to keep the axle pins from breaking, which was my original problem. But like many of these reviews have stated, the screws can strip. The included instructions say to add a small amount of locktite to the screw, DONT DO THIS. There is no need to apply locktite. Even if the screw comes loose, it doesn't matter if your tire is on the adapter; its not going anywhere. Just check the screw periodically. Overall these things are a good product and have saved me many headaches and DNF's from a busted axle pin. Buying a second set now.)
Brandon Weiland
Monday, May 28 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
this things honestly suck, the screws strip out the first time u thread them on. i would use pro-lines or just the standard ae 12mm hexes)
Derek Smith
Wednesday, Feb 15 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
I have had no issues with these as others have described.
I use them with the jconcepts 8/32 black nut bolts...makes changing tires less of a hassle.)
Kurt Kelson
Verified Owner
Saturday, Jan 28 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
I've got these and like the other reviewers, one of the screws stripped out the first time tightened it. The problem is the bolt is too short, and only about 2 threads engage the aluminum. I was able to get a longer 2mm x 6 DuBro bolt at my LHS and fix the problem with no threading or tapping required. (DuBro part #2112 if your looking for it). Love the hexes, they're beautiful and functional, but they lose rating for needing to be band-aided out of the box.)
Verified Owner
Sunday, Jan 8 2012 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
Set screws stripped out the first time we removed and replaced the rear tires. Threads in the Aluminum seem to be really thin. I like the concept, but not this solution. I am trying the AE and PL models now to see they are any better.)
Peter Enriquez
Verified Owner
Thursday, Nov 17 2011 (about 5 years ago)
JConcepts 12mm Aluminum Rear Hex Adapter Set (Blue) (2)
Looks nice but not very durable. First time on track w/ SC10 somehow the hex bent were the screw goes in. Had rouble getting my wheels back on. Had to shape it back, very soft. Better to get the solid prolines, I hope.)