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The HPI Spur Gear (75T), part number HPI-113705, is a replacement 75-tooth spur gear with suggested compatibility for the HPI RS4 Sport 3 platform. It is intended for use within a defined pinion range to maintain correct mesh and gearing.
Suggested Compatibility
- HPI RS4 Sport 3
- HPI RS4 Sport 3 Flux
Pinion Range and Options
Use with 48 pitch pinion gears between 23T and 32T:
- #6923 – Pinion Gear 23T (48 pitch)
- #6924 – Pinion Gear 24T (48 pitch)
- #6925 – Pinion Gear 25T (48 pitch)
- #6926 – Pinion Gear 26T (48 pitch)
- #6927 – Pinion Gear 27T (48 pitch)
- #6928 – Pinion Gear 28T (48 pitch)
- #6929 – Pinion Gear 29T (48 pitch)
- #6930 – Pinion Gear 30T (48 pitch)
- #6931 – Pinion Gear 31T (48 pitch)
- #6932 – Pinion Gear 32T (48 pitch)
This HPI replacement spur gear helps restore smooth drivetrain performance and allows basic gear ratio tuning within the specified 23T–32T pinion range.
Secured by Stripe
Replacement 75T Spur Gear for the RS4 Sport 3.
Will fit the standard RS4 Sport 3 Flux but can only be used with a
pinion between 23T & 32T:
#6923 - PINION GEAR 23 TOOTH (48
PITCH)
#6924 - PINION GEAR 24 TOOTH (48
PITCH)
#6925 - PINION GEAR 25 TOOTH (48
PITCH)
#6926 - PINION GEAR 26 TOOTH (48
PITCH)
#6927 - PINION GEAR 27 TOOTH (48
PITCH)
#6928 - PINION GEAR 28 TOOTH (48
PITCH)
#6929 - PINION GEAR 29 TOOTH (48
PITCH)
#6930 - PINION GEAR 30 TOOTH (48
PITCH)
#6931 - PINION
GEAR 31 TOOTH (48 PITCH)
#6932 - PINION
GEAR 32 TOOTH (48 PITCH)
Key Info:
- Brand: HPI
- Part No: HPI-113705
- Barcode: 4944258028927
- 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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