RPM Traxxas X-Maxx Oversized Rear Axle Carriers

RPM Traxxas X-Maxx Oversized Rear Axle Carriers
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RPM Oversized Rear Axle Carriers for the Traxxas X-Maxx were designed to solve two key issues reported by owners of this beast of a truck. The first being durability - these carriers are designed to handle some serious abuse. RPM Oversized Axle Carriers feature massive support ribs for the strongest possible carriers available.

The other major improvement is larger inner axle bearings. The stock inner bearings are a mere 20x27x4mm. The oversized bearings are gigantic 20x32x7mm bearings! That’s 5mm larger on the diameter and 3mm on the width! That equates to a dynamic load rating that is nearly 300% higher than the stock bearing while the static load rating is over 300% higher! The differences are so dramatic you’ll wonder why these didn’t come stock.

RPM Oversized Rear Axle Carriers are molded in black and backed by the RPM limited lifetime warranty against breakage. You can’t go wrong with RPM parts on your X-Maxx.

NOTE: RPM Oversized Rear Axle Carriers replace the stock Traxxas TRA7752 part. Each package is sold as a pair (one left and one right) and includes two inner oversized bearings (one for each side). Outer bearings are stock Traxxas bearings (TRA5106 or TRA5106A) and are not included in this kit.

Wednesday, Aug 1 2018 (about 2 years ago)
RPM Traxxas X-Maxx Oversized Rear Axle Carriers
I have had these in my xmaxx for well over a year with zero issues. I run my truck in sandy conditions and the bearings have held up. Also the plastics have not warped at all.
Verified Owner
Friday, Apr 13 2018 (about 2 years ago)
RPM Traxxas X-Maxx Oversized Rear Axle Carriers
I am impressed with the size of these carriers, as well as the size of these bearings. HOWEVER - RPM does not lubricate their bearings and includes only a tiny scrap of paper to tell you this. MAKE SURE you have something to lubricate your bearings with, or you'll need to buy more bearings very soon.

UPDATE 16 JULY (2 MONTHS LATER)
These have now failed spectacularly after both bearings seized after just a handful of runs. RPM's warranty department refused to cover the items because the damage was "due to seized bearings," and that "regular maintenance on bearings is a requirement for longevity." The bearings that failed were provided by RPM, and no-one should expect to re-lubricate their bearings every 5 runs.

I have always purchased and promoted RPM products due to their performance and customer service, but after this I will no longer do so.