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NEW PRODUCTS – Metal Caster Bearing Wheels – 16mm + 20mm Height

Composite 3948 3949

NEW PRODUCTS – Metal Caster Bearing Wheels – 16mm + 20mm Height


Get your ‘bot rolling with this durable and smooth steel ball caster. We like the size (not too big, not too small) and surprisingly fluid motion of this caster. It’s also really easy to attach, with two screw mounts that will allow you to attach it to any chassis material. Note that it doesn’t come with any mounting hardware, use 4-40 or M3 screws to attach to whatever you like.

3949 top ORIG 2018 10

3949 demo ORIG 2018 10

Matches with our purple metal chassis, but can be used for anything where you want 16mm of height.

3949 quarter ORIG 2018 10

We also have a larger ball caster, with 20mm height, for bigger bots!

And now, the 20mm!


3948 top ORIG 2018 10

Get your ‘bot rolling with this durable and smooth steel ball caster. We like the size (not too big, not too small) and surprisingly fluid motion of this caster. It’s also really easy to attach, with two screw mounts that will allow you to attach it to any chassis material. Note that it doesn’t come with any mounting hardware, use 4-40 or M3 screws to attach to whatever you like.

Matches perfectly with our purple metal chassis, but can be used for anything where you want 20mm of height.

3948 quarter ORIG 2018 10

3948 iso ORIG 2018 10 copy

In stock and shipping now! Metal Caster Bearing Wheels – 16 + 20mm Height


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