Pinion Gear 20 Tooth 1M - 5mm Shaft

Brand: HPI

Part No: HPI-100919

€10.36 ~~RRP €10.90~~

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The HPI Pinion Gear 20 Tooth (1M / 5mm shaft), part number 100919, is a tough metal pinion for precise gearing adjustments on high-performance RC vehicles. It lets you tailor your balance of acceleration and top speed when paired with matching Mod 1 (1M) spur gears.

Ideal for drivers looking to optimise their drivetrain, this 20T option fits 5mm motor shafts and forms part of HPI’s comprehensive pinion range for straightforward ratio changes.

Tuning Your Gearing

Use a larger pinion gear or smaller spur gear for higher top speeds.
Use a smaller pinion gear or larger spur gear for increased acceleration.

Suggested Compatibility

HPI Savage Flux HP (suggested compatibility)

Related Pinion Sizes (1M / 5mm Shaft)

#100911 – 12 Tooth
#100912 – 13 Tooth
#100913 – 14 Tooth
#100914 – 15 Tooth
#100915 – 16 Tooth
#100916 – 17 Tooth
#100917 – 18 Tooth
#100918 – 19 Tooth
#100919 – 20 Tooth
#100920 – 21 Tooth
#100921 – 22 Tooth
#102086 – 23 Tooth
#102087 – 24 Tooth
#102088 – 25 Tooth (standard)

Heavy Duty Spur Gears

#102091 – 43 Tooth
#102093 – 44 Tooth (standard)

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Fine-tune the speed and acceleration of the Savage Flux HP with a selection of tough metal pinion gears and spur gears! Use a larger pinion gear or smaller spur gear for higher top speeds, or use a smaller pinion gear or larger spur gear for increased acceleration.

#100911 PINION GEAR 12 TOOTH (1M / 5mm SHAFT)
#100912 PINION GEAR 13 TOOTH (1M / 5mm SHAFT)
#100913 PINION GEAR 14 TOOTH (1M / 5mm SHAFT)
#100914 PINION GEAR 15 TOOTH (1M / 5mm SHAFT)
#100915 PINION GEAR 16 TOOTH (1M / 5mm SHAFT)
#100916 PINION GEAR 17 TOOTH (1M / 5mm SHAFT)
#100917 PINION GEAR 18 TOOTH (1M / 5mm SHAFT)
#100918 PINION GEAR 19 TOOTH (1M / 5mm SHAFT)
#100919 PINION GEAR 20 TOOTH (1M / 5mm SHAFT)
#100920 PINION GEAR 21 TOOTH (1M / 5mm SHAFT)
#100921 PINION GEAR 22 TOOTH (1M / 5mm SHAFT)
#102086 PINION GEAR 23 TOOTH (1M / 5mm SHAFT)
#102087 PINION GEAR 24 TOOTH (1M / 5mm SHAFT)
#102088 PINION GEAR 25 TOOTH (1M / 5mm SHAFT) (standard)

Also available are Heavy Duty spur gears:
#102091 HEAVY DUTY SPUR GEAR 43 TOOTH
#102093 HEAVY DUTY SPUR GEAR 44 TOOTH (standard)

Key Info:

Brand: HPI
Part No: HPI-100919
Barcode: 4944258515946
Pitch: 1.0 Mod
Bore Size: 5mm
Fitment: Option Part

Additional Categories:

Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

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Questions & Answers

Real questions from real customers. Why not ask your own?

Will this fit the HPI Vorza?

Don / 25th November 2022

Yes it will fit the original motor with a 5mm shaft.

Steve W @ Wheelspin Models

Hi mate just wondering if you'll be getting any more spur gears as i need 16t 18t 20t for the hpi savage flux thanks

Billy Thomson / 5th April 2022

You can use pinions form any manufacture as long as they have a 5mm shaft and are 1.0 mod gearing

Si @ Wheelspin Models

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