Propellers

Gemfan 1210-2 (31 mm)

Name: Gemfan 1210-2 (31 mm)
Brand: Gemfan

30 krour estimateSearch Banggood Every offer, and where it ships from

Bi-blade 31 mm prop for 1 mm shafts.

Specification last checked 2026-07-27

Check this part against a build See all in Propellers

Recorded specification

Every value carries the source it was read from. A property with no recorded source is marked as such rather than presented as a fact. If one of them is wrong, tell us: it is the fastest way it gets fixed.

Property	Value	Source
Propeller size decides fit	1.22 in	Oscar Liangchecked 2026-07-27Quote 1, below the table
Propeller pitchHow far the prop screws forward per revolution: the second figure in "5x4.3x3". More pitch trades grip for top speed, so no direction.	1 in	RaceDayQuads product specificationschecked 2026-07-27Quote 2, below the table
BladesThe third figure in "5x4.3x3". More blades grip harder and drain the battery faster.	2	RaceDayQuads product specificationschecked 2026-07-27Quote 2, below the table
Propeller mounting decides fitHow the propeller attaches: threaded 5 mm shaft with a nut, T-mount screws, or pressed onto a bare shaft it must match exactly. A prop made for one cannot be fitted to another.	1 mm press fit	RaceDayQuads product specificationschecked 2026-07-27Quote 2, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.	0.19 g	RaceDayQuads product specificationschecked 2026-07-27Quote 2, below the table

Oscar Liangchecked 2026-07-27Gemfan 31mm 1210-2 / 1.2" Bi-Blade Micro/Whoop FPV Drone Props for 1mm Shaft
RaceDayQuads product specificationschecked 2026-07-27Gemfan Durable 1210 Bi-Blade 31mm Micro/Whoop Prop 8 Pack (1mm Shaft); Diameter: 1.2"; Pitch: 1"; Shaft Size: 1mm; Weight: 0.19g

Where to buy

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No current price: our own estimate is 30 SEK. It is a rough street figure rather than a quote, and the retailer above confirms the real one.

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What this fits

Checked against every other product in the catalog by the same engine the planner runs, rule by rule. Where a specification is missing the answer is unknown, which is a different answer from compatible.

Complete drone

Works with (31)Not enough recorded specification (87)

All complete drone · All 89 complete drone checked against this propellers

Frame

Does not work with (16)Works with (4)

All frame · All 20 frame checked against this propellers

Does not work with (6)
A 5" freestyle build takes 5" propellers, not 1.22".
Rule: Propeller suits the build class
Does not work with (3)
A 7" long range build takes 7" propellers, not 1.22".
Rule: Propeller suits the build class
Does not work with (2)
A 75 mm whoop build takes 40 mm propellers, not 1.22".
Rule: Propeller suits the build class
- BetaFPV Meteor75 Air frame
- HappyModel Mobula7 V4 frame
Does not work with (2)
A 2.5" cinewhoop build takes 2.5" propellers, not 1.22".
Rule: Propeller suits the build class
- BetaFPV Pavo25 2.5" cinewhoop frame kit
- GEPRC CineLog 25 GEP-CL25 frame kit
Does not work with (2)
A 3.5" cinewhoop build takes 3.5" propellers, not 1.22".
Rule: Propeller suits the build class
- BetaFPV Pavo35 3.5" cinewhoop frame kit
- GEPRC CineLog35 V3 GEP-CL35 V3 frame kit
Does not work with (1)
A 3" cinewhoop build takes 3" propellers, not 1.22".
Rule: Propeller suits the build class
- GEPRC CineLog30 V3 GEP-CL30 V3 frame kit
Works with (4)
1.22" props fit this frame.
Rule: Propeller fits the frame

Motors

Does not work with (16)Works with (9)Not enough recorded specification (12)

All motors · All 19 motors checked against this propellers

Does not work with (1)
This propeller is 1 mm press fit and BetaFPV 1102 18000KV is 1.5 mm press fit.
Rule: Propeller fits the motor shaft
- BetaFPV 1102 18000KV
Does not work with (1)
This propeller is 1 mm press fit and EMAX E3 Series 2807 1300KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- EMAX E3 Series 2807 1300KV
Does not work with (1)
This propeller is 1 mm press fit and EMAX E3 Series 2807 1500KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- EMAX E3 Series 2807 1500KV
Does not work with (1)
This propeller is 1 mm press fit and EMAX E3 Series 2807 1700KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- EMAX E3 Series 2807 1700KV
Does not work with (1)
This propeller is 1 mm press fit and Flywoo Robo 1002 23500KV is 1.5 mm press fit.
Rule: Propeller fits the motor shaft
- Flywoo Robo 1002 23500KV
Does not work with (1)
This propeller is 1 mm press fit and GEPRC SPEEDX2 2809 1280KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- GEPRC SPEEDX2 2809 1280KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight Xing2 2207 1855KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight Xing2 2207 1855KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight Xing2 2207 2755KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight Xing2 2207 2755KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight XING2 2809 800KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight XING2 2809 800KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight XING2 2809 1250KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight XING2 2809 1250KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight XING2 2809 1600KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight XING2 2809 1600KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight XING 2806.5 1300KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight XING 2806.5 1300KV
Does not work with (1)
This propeller is 1 mm press fit and iFlight XING 2806.5 1800KV is 5 mm shaft (M5 nut).
Rule: Propeller fits the motor shaft
- iFlight XING 2806.5 1800KV
Does not work with (1)
This propeller is 1 mm press fit and RCinPower GTS V3 1002 14000KV is 1.5 mm press fit.
Rule: Propeller fits the motor shaft
- RCinPower GTS V3 1002 14000KV
Does not work with (1)
This propeller is 1 mm press fit and RCinPower GTS V3 1002 19000KV is 1.5 mm press fit.
Rule: Propeller fits the motor shaft
- RCinPower GTS V3 1002 19000KV
Does not work with (1)
This propeller is 1 mm press fit and RCinPower GTS V3 1002 22000KV is 1.5 mm press fit.
Rule: Propeller fits the motor shaft
- RCinPower GTS V3 1002 22000KV
Works with (9)
Both are 1 mm press fit.
Rule: Propeller fits the motor shaft
Not enough recorded specification (12)
The mount on one of these is not recorded yet.
Rule: Propeller fits the motor shaft

The standards this part is judged by

What the properties above actually mean, which differences are absolute, and where the names used in shops mislead.

Motors and propellersWhat does 2207 mean, and which KV do I want?