BetaFPV 1102 21000KV 1S Brushless Motor (2026)

BetaFPV's 2026 revision of the 1102 21000KV motor is built for 1S 75 mm whoops and is the stock motor of the Meteor75 Pro II. It is available as a single motor or a set of four.

Key features

• 2000-series alloy outer rotor housing and reinforced shaft to survive harder crashes

• Improved slot fill factor gives about 15% higher efficiency with Gemfan 1811 3-blade props

• Just 2.85 g per motor

• Pre-terminated JST 1.25 3-pin plug for whoop AIO boards

• Three-hole M1.4 mount on a 6.6 mm circle, standard on 65-75 mm whoop frames

Specifications

• KV: 21000KV

• Rated voltage: 4.2 V (1S)

• Max power: 35 W

• Max current: 9.2 A

• Weight: 2.85 g

• Shaft: 1.5 mm diameter, 5 mm length

• Wire: 28 AWG, 37 mm

• Connector: JST 1.25 3-pin

• Mounting: 3 x M1.4 on 6.6 mm circle

Buy the set of four for a full rebuild or a single motor to replace a damaged one; Gemfan 1811 three-blade props are the recommended pairing.