The HPI Spur Gear (66T), part number HPI-113706, is a genuine replacement component designed for smooth, consistent drivetrain performance. It is intended as a replacement for the HPI RS4 Sport 3 Flux and is suitable for tuning your final drive ratio when paired with appropriate pinions.
Suggested Compatibility
- HPI RS4 Sport 3 Flux (replacement)
- HPI RS4 Sport 3 – use only with 31–37T 48 pitch pinion gears
Pinion Gear Options (48 Pitch)
- #6931 – 31 Tooth
- #6932 – 32 Tooth
- #6933 – 33 Tooth
- #6934 – 34 Tooth
- #6935 – 35 Tooth
Secured by Stripe
Replacement 66T Spur Gear for the RS4 Sport 3 Flux.
Will fit the standard RS4 Sport 3 but can only be used with a
pinion between 31T & 37T:
#6931 - PINION GEAR 31 TOOTH (48
PITCH))
#6932 - PINION GEAR 32 TOOTH (48
PITCH)
#6933 - PINION GEAR 33 TOOTH (48
PITCH)
#6934 - PINION GEAR 34 TOOTH (48
PITCH)
#6935 - PINION GEAR 35 TOOTH (48
PITCH)
Key Info:
- Brand: HPI
- Part No: HPI-113706
- Barcode: 4944258028934
- Fitment: Standard Part
Standard Shipping
£3.95 to most of the UK
Express Shipping
£6.95 to most of the UK
Worldwide Shipping
Available at checkout
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