1Up Racing is excited to introduce their Aluminum Idler Gears for the Team Associated RC10B7 & B7D, made in collaboration with their partners at TRION.

Precision-machined from premium-quality Japanese Aluminum, these gears will greatly increase the durability of your AE B7 transmission. Friction is kept at a minimum for a free-rolling drivetrain that provides smooth, quick acceleration. Add 1up Racing Gold AW Grease to these hard anodized gears for unmatched longevity, especially critical in the high-powered modified 2wd class.

Also fits the RC10B6 Standup Transmission!