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Set Up Your
Bike Right.

Precision calculators and step-by-step guides for every type of rider — road, gravel, mountain, track, and everything between.

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Calculators

Every Number You Need

From tire pressure to power output — plug in your numbers and get accurate, discipline-specific results in seconds.

Load-based PSI & bar recommendations for road, gravel, MTB, enduro, and CX. Includes bike model lookup.

Target tension ranges in kgf and Newtons by wheel position, gauge, and spoke material.

Tubeless Sealant

Brand-specific sealant volumes for Stan's, Muc-Off, Orange Seal, Finish Line, and more.

Ratio, development, and gain ratio calculator. Search all tooth combinations for any target ratio.

Speed & Cadence

Convert RPM to km/h and mph at any gear combination and wheel size.

Estimate watts needed at any speed. Splits total power into aero drag, rolling resistance, and gravity.

Time, VAM, average speed, and calorie estimates for any climb using your power and weight.

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Guides

Learn the Craft

Step-by-step tutorials for hands-on bike setup and maintenance — written for riders who want to understand why, not just what.

Wheels · Intermediate

How to Build a Wheel

From raw rim and hub to a tensioned, trued wheel. Covers lacing patterns, tensioning sequence, and stress-relieving spokes.

~15 min read · 12 steps

Tires · Beginner

How to Seat a Tubeless Tire

Getting that first pop can feel impossible. Learn how to seat and seal a tubeless tire using a floor pump, compressor, or booster tank.

~8 min read · 8 steps

Tires · Beginner

Tubeless Conversion Guide

Convert your bike from clincher to tubeless — what you need, what to check for rim compatibility, and how to set it up correctly the first time.

~10 min read · 9 steps

Wheels · Beginner

How to True a Wheel

Stop that annoying brake rub and fix lateral and radial wobble with just a spoke wrench. Works for any wheel with or without a truing stand.

~10 min read · 7 steps

Brakes · Beginner

Disc Brake Bleed & Alignment

Fix brake rub, restore lever feel, and bleed hydraulic disc brakes. Covers Shimano and SRAM mineral oil and DOT fluid systems.

~12 min read · 10 steps

Fit · Beginner

Bike Fit Basics

Saddle height, fore-aft position, handlebar reach, and cleat alignment — the four adjustments that make the biggest difference to comfort and power.

~12 min read · 8 steps