Here comes the heavy duty bicycle. I made it in cycles.
Most of the objects have a subdivision modifier, meaning you can check the amount depending on your computer, especially for the 3d view window; some computers may hang! This is a high poly stuff.
However, rendering is relatively smooth, especially when I consider my 2GB RAM computer and renders it at 1min 30s.
Parenting
<ul>
<li>The frame acts as the main parent of all the objects.</li>
<li>The rims are the parents for each wheel, so, remember to always select it when rotating the specific wheel.</li>
<li>Saddle is the parent of its components.</li>
<li>The steering is the parent of the front wheel and other related objects.</li>
</ul>
Great model...but I think it belonged to Grandma...(boys bikes traditionally have a brace running between seat shaft and handle bars...don't know why....I've crushed the jewels many times on it)
I used your bike model in a test video here: https://youtu.be/Odf0FZbcXk4
I like bikes because I'm a bike rider since I's young. Your model is a pretty and detailed one. Good job, Eric. Keep going, man. Regards.