9g Servo for Maqueen Mechanic - servo for the micro:Maqueen robot

Micro digital servo with carbon fiber gearbox. It has a range of motion of 180°. TowerPro SG92R

Micro analog servo with plastic gear. It has a range of motion of 180°. Pololu 1050

This is the most mini servo. Only weights 9 gram and gives you a 1.6kg.cm torque. Pretty strong regarding its size. Suitable for Beam type robot. SER0006

Micro type servo fitted with a metal gearbox. It is characterised by quite high durability and strength. SparkFun ROB-11887

Power HD Micro Servo HD-1600A

The FT90R is a digital micro servo that has been built by FEETECH specifically for continuous rotation, offering an inexpensive and easy way to get your small turret spinning or miniature robot moving, especially when paired with 60×8mm wheels designed specifically for this servo. 

The FS90 analog servo from FEETECH is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included.

Key specs at 6 V: 0.10 sec/60°, 21 oz-in (1.5 kg-cm), 9.0 g.

Micro analog servo with plastic gear. It has a range of motion of 180°. Pololu 1049

Micro analog servo with plastic gear. It has a range of motion of 90°. GH-S43A

Micro digital servo with metal gear. It has a range of motion of 145°. EMAX ES08MD

Micro digital servo equipped with a metal gear. Dedicated to flying models and rudder drive. FEETECH SCS2332

Micro digital servo with metal gear. It has a range of motion of 180°. Perfect for controlling a small robotic arm or walking robot. Waveshare WP90

Micro analog servo with plastic gear. It has a range of motion of 120° and a derived feedback output. Pololu 3436

Programmable micro 2.3kg*cm servo controlled via UART interface. Features a metal gearbox and position and speed feedback. Waveshare SC09 Servo

Micro analog servo with metal gear. It has a range of motion of 145°. EMAX ES08MA

Power HD Micro Digital Servo DS65HB