Kyosho Ultima RB7.5 Idler Gear (40T) / Shaft (UM737-UM125)

The Kyosho K.UB033 set brings together an idler gear (40T) and matching shaft, referenced as UM737 and UM125. This genuine Kyosho spare is intended to help keep your transmission running smoothly during routine maintenance or a full rebuild.

Key Points

• Genuine Kyosho replacement set: idler gear (40T) and shaft
• Part number: K.UB033; associated references: UM737, UM125
• Suggested compatibility: Kyosho Ultima RB7.5
• Useful for transmission servicing, rebuilds and keeping a handy spare in the pit box

Replacing worn drivetrain components can help maintain consistent power delivery and reduce downtime. The Kyosho Ultima RB7.5 Idler Gear (40T) / Shaft set provides a convenient, matched pair for straightforward maintenance using original-brand parts.