For hobbyists focused on tighter lap times and smoother drive delivery, the Tamiya 42320 Lightweight Joint Casings are an efficient swap. Forged from aluminium, they take the place of heavier steel components in Double Cardan universal shafts to cut weight without losing serviceability.
Each pair weighs about 1.2 grams, translating to around a 2 gram saving versus steel parts. The reduced inertia helps the driveline react quicker and can make steering inputs feel more direct through a run.
These casings suit touring car chassis that use Double Cardan Joint Shafts, including part numbers 42216 and 42300. Combine them with Tamiya lightweight cross joints (Item 42319) if you want to maximise gram reduction.
Copyright © 2008-2026 rcjaz.co.nz All rights reserved