R1WURKS (B7 Series) Composite Idler: This replacement idler gear is designed for our R1WURKS B7 3-Gear Transmission. It can also serve as a universal upgrade for other applications requiring a 48 pitch, 39T gear.

Key Features and Specifications:

• Weight: 2.46g
• Constructed from high-performance reinforced polymer
• Lightweight, low-friction design
• Enhanced acceleration

These gears can serve as a direct replacement or upgrade for the Team Associated® part #91716. Compared to the original, these gears offer reduced friction and decreased rotational mass due to their narrower 8mm profile.