Reely Plastic Spur Gear Module 0.5, 20/30/40/50/60 Teeth, 1 pc (RE-6603918)

Finding the right gear for a model project can be frustrating when standard sizes don't match your shaft or spacing. This Reely plastic spur gear set solves that by offering five common tooth counts in one module, so you can select the exact ratio you need without buying multiple packs.

Who is it for

Model builders, robotics hobbyists, and DIY makers who need reliable, lightweight gears for custom mechanisms.

Main features

• Module 0.5 for precise meshing with other 0.5 module gears
• Available tooth counts: 20, 30, 40, 50, 60 (one gear per pack, choose your size)
• Durable plastic construction for smooth, quiet operation
• 2 mm shaft bore fits common small motors and axles
• Straight-cut teeth for simple, efficient power transmission

Specifications

• Gear type: Spur gear
• Material: Plastic
• Module: 0.5
• Number of teeth: 20 / 30 / 40 / 50 / 60 (select variant)
• Outer diameter: 11 mm (for 20-tooth gear; varies with tooth count)
• Bore diameter: 1.95 mm
• Face width: 4 mm
• Pitch diameter: 10 mm (for 20-tooth gear)
• Pressure angle: 20°
• Shaft compatibility: 2 mm
• Tooth profile: Straight cut
• Quantity per pack: 1

Tips

For best results, pair with other module 0.5 gears and use a light lubricant on the teeth to reduce wear. Check your shaft diameter before ordering—the 2 mm bore fits many standard hobby motors.