Castle Rock, Colorado

Post Millennium Renaissance

MTB tools built on real physics.
Trail advocacy grounded in economic data.
For riders who want to understand
the machine beneath them —
and the land beneath the machine.

View the tools
Fig. 1 · Wheel mechanics

148 vs. 157 — symmetry equals strength.

Drive-side bracing 4.04deg
Lateral strength 100
Spacing 148mm

Drag the wheel sideways to spread the hub · scroll to orbit it

Interactive MTB wheel strength comparison
Interactive tools

Built to understand MTB, not just ride it.

Fig. 3 · IP research

You’ve heard “VPP.” Here’s the actual paper.

7 sheets · scroll the page or drag the slider to fly through · click a sheet to read it

Click any sheet to read its filing.

Search the full atlas
About

Four principles.

  1. 01Primary sources firstStudies, filings and spec sheets before summaries of them.
  2. 02Calculations shownDerived figures carry their arithmetic.
  3. 03Assumptions disclosedInputs and modeling choices stated up front.
  4. 04Uncertainty labeledEstimates are marked as estimates.

"There are no solutions. There are only trade-offs."

— Thomas Sowell
Writing Pinkbike — redfoxrun
Video YouTube Channel
Trail advocacy

Castle Rock's trails deserve serious investment.

Philip S. Miller Park

Economic impact research and civic presentation materials supporting trail expansion at Castle Rock's flagship mountain bike destination — delivered to Town Council with defensible ROI framing.

~2MAnnual visitors

Ridgeline Open Space

Trail advocacy resources and community engagement materials for Castle Rock's Ridgeline Open Space, grounded in U.S. trail investment studies and built to hold up in front of municipal stakeholders.

80109Castle Rock, CO