The BETAFPV 1102 21000KV (2026) motors are 1S motors designed for the Meteor75 Pro II whoop, sold as a set of four. An upgraded 2000-series alloy rotor housing and reinforced shaft improve crash durability, and a better slot fill factor gives around 15% higher efficiency on GF 1811 props.
Key features
2000-series alloy outer rotor housing and reinforced shaft
Around 15% higher efficiency with GF 1811 3-blade props
Light 2.85g per motor
Specifications
KV
21000
Cells
1S (4.2V)
Max power
35W
Max current
9.2A
Weight
2.85g
Shaft
ø1.5mm x 5mm
Mounting
3x M1.4, ø6.6mm
Connector
JST1.25 3-pin, 28AWG wire, 37mm
Recommended props
GF 1811 3-blade or GF 45mm 3-blade
Compatible frames
Meteor75 Pro II, Meteor75 Pro
Compatibility
Props: 1.5mm-shaft 45mm props - Gemfan 1811-3 (Meteor75 Pro II stock) or Gemfan 45mm-3 (Meteor75 Pro stock).
Does not take: 1.0mm-hole props (Gemfan 1207, 1219S, 1614, 35mm-3).
Drop-in for the Meteor75 Pro: same 3x M1.4 / 6.6mm mount and 1.5mm shaft as the 1102 22000KV on the original Pro - slightly lower KV for a smoother, more efficient feel.
Flight controller: JST1.25 plugs fit the Matrix 1S 3IN1 HD and the solder-free Matrix 1S 5IN1 II.