Trials bikes come in varying wheel sizes, most popular are the Stock (26" wheel) and the Mods (20" wheel). 24" wheels are becoming more popular as they're recognised as more 'streety' and are considered a good inbetween point of the popular Mod an Stock sizes.

[edit] Tyres

• Tyre compatibility list

[edit] Mechanical HOWTOS

• How to grind a rim
• How to build a wheel
• How to tighten the cones on a wheel
• Truing a wheel
• How to repair a puncture