RPM heavy-duty rear suspension arms for the Losi Mini-B have been strengthened for superior durability and performance. Take a look at what we've done (in comparison to HD, 2nd gen stock Losi A-arms):

The RPM strengthening upgrades, combined with some of the best engineering grade nylons in the industry, equate to a set of ultra lightweight replacement A-arms that have unmatched durability and performance.

• The inner hinge pin bosses are roughly 20% thicker than stock (and dramatically thicker than first gen Losi suspension-arms)
• We've increased the overall thickness of the A-arm by roughly another 25%
• Support beams are consistent in thickness and are roughly 50% thicker than some of the thinner stock supports
• A unique shock surround protects the lower shock bottom. It's less prone to damage since the shock pivot ball is captured and no longer fully exposed
• Made exclusively for the Mini-B

• Replaces the rear suspension armsarms from stock Losi #LOS214003. Not compatible with the original Mini-T or Mini-T 2.0