High quality hardened steel drive cups specially designed for Arrma safe-d type input shafts (with 2 flats). Will also fit other 5mm shafts.
One M5 grub screw for the large flat, with a second M4 grub screw for the small flat. Greatly improves the rigidity.
These also fit our Arrma diff lockers. Use only the M5 grub screw in this application.
Guaranteed to run true!
This item include 2 x parts
Please de-grease parts and assemble with high strength Loctite, including in the bore. Loctite 271 is recommended.
Modifying your RC from stock condition can result in unexpected results. Operation of modified models must take this into account. Always follow the original manufacturers instructions. Whilst we build our parts to the highest standards we are able, like all rc parts, our parts cannot be guaranteed for performance, strength and durability in every situation or configuration. Do not use your RC in public areas. Do not use your RC where unexpected results could cause injury or damage to property. High Speed RC’s require GREAT CARE and a responsible attitude to use safely.