Arrma Infraction 6s Titanium Center Spool


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Arrma Infraction 6s Titanium Center Spool

The RamJam Racing 8mm titanium spool shaft is precision ground and the flats are machined perfectly parallel to prevent gear wobble. Mated to our custom ultra strong 4041 tool steel cups, this spool is ready for a serious beating.

For use with many aftermarket spur gears! Includes spacer combinations for the stock Arrma spur, Saga RC spurs, and many other spur options!

The Arrma Infraction 6s Titanium Center Spool fits the factory Arrma motor mount. NO modifications required. The cups clear without issue and will not mark the mount.

Weight: 32.0 grams

This kit includes:

  • Grade 5 titanium center spool shaft
  • Grade 5 titanium spur spacers for stock and saga spurs
  • 2x 4041 Tool steel cups
  • Abec-7 hybrid ceramic bearings
  • 5x 8mmx.2mm shims
  • 4x O-rings

Installation Tips:

  • Degrease the parts thoroughly
  • Use Loctite #262 or #271 on the set screws
  • Use Loctite #262 or #271 on the cup / shaft joint
  • Wait 24 hours for proper bonding
  • Use O-rings in the drive cups to remove bone play

Why buy from RamJam Racing?

  • Unbeatable Pricing – Delivering superior parts at unbeatable prices
  • Precision – Using state of the art manufacturing techniques allows us to hold precise tolerances
  • Manufacturer Defect Warranty  –  All parts include a manufacturer defect warranty
  • Full customer support – Send us a message!


Due to the nature of the RC hobby and the stresses and high loads pushed through these parts, there is NO WARRANTY for users error.

Additional information

Weight 1 oz
Dimensions 7 × 4 × 1 in