Serpent Cobra alu ARB pivot balls

From Serpent for the 1/8 Cobra, including GP & EP buggy, Cobra Truck and Cobra GT GP, are these hard coated aluminium pivot balls for the anti-roll bar. Lightweight, weighing only 0.8 grams each compared to 2.4 grams for the standard steel versions, you can can save 6.4 grams total weight per car.

Source: Serpent [serpent.com]