3D preview of Steel Bicycle Frame (Diamond)
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Interactive 3D model of Steel Bicycle Frame (Diamond)

Brackets and mounts

Steel Bicycle Frame (Diamond)

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Bounding box
886.7 × 155.8 × 592.6 mm
Engine
Precision B-rep
Parameters
13
Published
October 6, 2026

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The prompt

it is 58cm from the top of the seat tube to the center of the bottom bracket (the open hole at the bottom of the bike). the distance between the two rear chain stays (rear axle length) is 120mm. the front tube for the headset is 1 1/8 in diameter and the entire thing is made out of 1 1/8 in steel tubing

Parameters

NameValueRange
Seat tube length (BB to top)580 mm500 – 650
Rear axle length120 mm100 – 160
Tubing diameter28.58 mm20 – 50
Head tube diameter28.58 mm20 – 50
Top tube length560 mm450 – 650
Head tube length150 mm100 – 200
Seat tube angle73 deg65 – 80
Head tube angle72 deg65 – 80
Chain stay length420 mm350 – 500
Bottom bracket drop70 mm40 – 90
BB shell outer diameter40 mm32 – 50
BB shell inner diameter34 mm28 – 40
BB shell width68 mm60 – 80

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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Steel Bicycle Frame (Diamond) - Free CAD Model (STEP, STL) | TextoCAD