Bicycle Cassette Sprocket (Eccentric Core)

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Bounding box: 36.7 × 36.8 × 5.0 mm
Engine: Precision B-rep
Parameters: 12
Published: November 2, 2026

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The prompt

a bicycle chain rear set. the latter one with movable teeth, the size is a changable range and the core spot is not in the middle

Parameters

Name	Value	Range
Module	1.6 mm	1 – 3
Number of Teeth	21	9 – 52
Pressure Angle	20 deg	14.5 – 25
Face Width	3 mm	1.5 – 8
Bore Diameter	10 mm	6 – 25
Bore Offset from Center	4 mm	0 – 12
Body Disk Thickness	3.5 mm	1.5 – 8
Spider Arm Count	6	3 – 10
Spider Arm Width	4 mm	2 – 10
Hub Boss Diameter	16 mm	10 – 35
Hub Boss Extra Thickness	1.5 mm	0 – 4
Edge Chamfer	0.3 mm	0 – 1

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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