These round groove pulleys are also referred to as U groove pulleys. They are made of 6061-T6 Aluminum with a D Shaft hole through of 6mm, and 2 set screws for ultimate strength. Use it with the 5mm Round Belt and for gearing up or down combine them with the other round groove pulleys that range from 10mm to 60mm.

Specifications:

• Material: 6061-T6 Aluminum
• Bore: 6mm
• Belt Diameter: 40mm
• Step File

These round groove pulleys are also referred to as U groove pulleys. They are made of 6061-T6 Aluminum with a D Shaft hole through of 6mm, and 2 set screws for ultimate strength. Use it with the 5mm Round Belt and for gearing up or down combine them with the other round groove pulleys that range from 10mm to 60mm.

Specifications:

• Material: 6061-T6 Aluminum
• Bore: 6mm
• Belt Diameter: 30mm
• Step File

These round groove pulleys are also referred to as U groove pulleys. They are made of 6061-T6 Aluminum with a D Shaft hole through of 6mm, and 2 set screws for ultimate strength. Use it with the 5mm Round Belt and for gearing up or down combine them with the other round groove pulleys that range from 10mm to 60mm.

Specifications:

• Material: 6061-T6 Aluminum
• Bore: 6mm
• Belt Diameter: 20mm
• Step File

These round groove pulleys are also referred to as U groove pulleys. They are made of 6061-T6 Aluminum with a D Shaft hole through of 6mm, and 2 set screws for ultimate strength. Use it with the 5mm Round Belt and for gearing up or down combine them with the other round groove pulleys that range from 10mm to 60mm.

Specifications:

• Material: 6061-T6 Aluminum
• Bore: 6mm
• Belt Diameter: 10mm
• Step File

Used with the Maverick DC Motor with a 6mm shaft and any 6mm D Shaft Axels. Used with 10mm Timing Belt, # 76233.

Specifications:

• 10 Tooth Timing Pulley
• 6mm Bore 
• material: 6061 T6 Aluminum
• Step File

The #25 Chain with Master Links  set works with any of the Studica sprockets and other #25 sprockets. It includes 4 master links for creating various lengths of the chain.

Specifications:

• #25 Steel roller chain
• 4 master connecting links
• Length: 150cm
• Use with 24 Tooth, 32 Tooth, 40 Tooth or 48 Tooth sprockets

Specifications:

• Material: 6061-T6 Aluminum
• Unse with #25 Chain
• Number of teeth: 48
• Addendum - 100.69mm
• Dedendum - 93.7mm
• Pitch - 97.195mm
• Width - 2.5mm
• Step File

Specifications:

• Material: 6061-T6 Aluminum
• Use with #25 Chain
• Number of teeth: 40
• Addemdum - 84.49mm
• Dedendum - 77.54mm
• Pitch - 81.015mm
• Width - 2.5mm
• Step File