Machined Steel Overdrive Differential Gears

These heavy-duty 33-tooth ring and 12-tooth pinion differential gears are machined from high-quality steel for unsurpassed strength and durability. They are designed to overdrive the axle in which they are installed, spinning the drive wheels faster. Available in standard, underdrive and overdrive configurations, they allow you to tune your TRX-4^® or TRX-6^® for greater climbing agility.