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  • Stainless Steel
  • Highly Durable
  • 6mm Bushings

These 6mm Bushings from Modify are made from Stainless Steel and are highly durable.

  • Low Friction
  • Cerbec® Balls
  • 6mm Bearings

A set of 6mm bearings for compatible gearboxes, which features Silicon Nitride (Cerbec) ball bearings which are much tougher than traditional Steel bearings.

  • Low Friction
  • Stainless Steel
  • Convex Surface

A set of Tempered Stainless Bushings for 6mm or 7mm gearboxes from Modify.

  • Harder and Lighter Part
  • Top Quality Replacement
  • For High Speed / High Torque

    A six pack set of replacement Ball Bearings, designed for Airsoft AEG Gearbox which fit 8mm Bearings. These Bearings represent the pinnacle of upgrade parts, being made from the highest quality materials, with Alloy Shells and Ceramic ball bearings, they are designed to last the longest possible.

    • Tempered
    • Stainless Steel
    • Installation Tools

    A set of tempered Bushings from Modify which comes included with installation tools.

    • Polished Finish
    • High Speed Use
    • Fits Many Gearboxes

    ASG Ultimate 7mm bearings designed to replace and upgrade stock plastic or worn metal bushings or bearings inside your Airsoft AEG.

    Bushings/Bearings are responsible for the smooth operation of your Gears, and are essentially the 'socket' that they sit inside to spin freely. They are rated by their exterior diameter and will need to match the rating for your gearbox (i.e. 8mm Bearings only for an 8mm Gearbox). No an 8mm Gearbox does not mean it takes bigger BBs, this is purely the size of the recess for the bearings to sit inside. Bushings are more simple in design, with the trade off that they are tough and last a long time especially under the user of higher-rated springs, whereas Bearings offer less friction when turning, for a slicker operation. When using Bushings be sure to keep them well lubricated with a thicker Gearbox grease, as they're not as freely-spinning as Bearings. Avoid the use of grease/lubricant on actual Bearings as this can attract grit/dirt and harm operation.