uxcell Gear Motor with Encoder DC 12V 201RPM Gear Ratio 21.3:1 D Shaft Metal Encoder Gear Motor Silver 25Dx49L mm for Robot RC Model DIY Engine

Rated Voltage: 12V; Voltage Range: 6-24V; Speed: 201RPM Gearbox Size(D*L): 0.98x0.75inch; Motor Size(D*L): 0.96x1.18inch D-shape Shaft Size(D*L)

12V Metal DC Gearmotor w/Encoder (131:1, 83RPM, 45Kg.cm) - DFRobot

Yosoo Mini High Torque 6V 50/100/ 150/200/ 300RPM with Metal Gearbox Replacement N20 for RC Car, Robot Model, DIY Engine Toys (6V 50RPM) : Toys & Games

uxcell GA12-N20 3V 50RPM DC Gear Motor with Encoder Speed Velocity Measurement for Mini Car Balance Motor Encoder DIY : Toys & Games

12 RPM HD Premium Planetary Gear Motor w/Encoder - ServoCity

uxcell Double Shaft Worm Gear Motor DC 12V 25RPM High Torque Speed Reduction Motor with Metal Gearbox

Metal Gearmotor with Encoder - 12V (9.7:1) - ROB-17754 - SparkFun Electronics

uxcell DC 24V 74RPM 25Kg.cm Self-Locking Worm Gear Motor with Encoder and Cable, High Torque Speed Reduction Motor : Industrial & Scientific

uxcell Double Shaft Worm Gear Motor DC 12V 25RPM High Torque Speed Reduction Motor with Metal Gearbox

uxcell Gear Motor with Encoder DC 24V 530RPM Gear Ratio 18.8:1 D Shaft Metal Encoder Gear Motor Silver 37Dx52L mm for Robot RC Model DIY Engine : Toys & Games

uxcell Double Shaft Worm Gear Motor DC 12V 25RPM High Torque Speed Reduction Motor with Metal Gearbox

30:1 Gearmotor