Trek Size Charts
Official size charts for Trek road bikes, mountain bikes, and kids bikes
About Trek Sizing
Trek has transitioned from numerical to letter sizing for their road bikes to simplify the selection process. Their sizing system provides consistent measurements across their range, making it easier to find your perfect fit.
All measurements are based on Trek's official specifications, providing accurate sizing guidance for riders of all heights and disciplines.
Road Bike Size Chart
Trek has simplified their road bike sizing system by transitioning to letter sizes (XS to 2XL). This new system makes it easier to find the right size across different models.
| Size | Height Range (cm) |
|---|---|
| XS | 152-160 |
| S | 160-168 |
| M | 168-176 |
| L | 176-184 |
| XL | 184-192 |
| 2XL | 192-200 |
Source: Trek Road Bike Size Guide
Mountain Bike Size Chart
Mountain bike sizing is primarily based on rider height and riding style. Trek offers an extensive range of sizes to ensure optimal fit for all riders.
| Size | Height Range (cm) |
|---|---|
| XS | 137-155 |
| S | 153-166 |
| M | 161-175 |
| M/L | 170-179 |
| L | 177-188 |
| XL | 186-196 |
| 2XL | 195-203 |
Source: Trek Mountain Bike Size Guide
Kids Bike Size Chart
Choosing the correct bike size for children is essential for their safety and enjoyment. Trek's kids' bikes are sized by wheel diameter and correspond to specific age ranges and height measurements.
| Age | Height Range (cm) | Inseam (cm) | Wheel Size (inches) |
|---|---|---|---|
| 2-3 | 91-99 | 38-45 | 12 |
| 4-6 | 104-122 | 41-56 | 16 |
| 5-8 | 114-137 | 48-64 | 20 |
| 8-11 | 124-150 | 58-72 | 24 |
Source: Trek Kids' Bike Buyers Guide
Sizing Tips
When choosing your Trek bike size:
Consider your riding style and flexibility when choosing between sizes
Visit a local Trek dealer for a professional fitting session
Take into account your inseam measurement for proper standover height
Consider frame geometry differences between different model families
Important Note
These size charts serve as general guidelines. Individual fit can vary based on factors such as arm length, torso length, and riding style. We recommend visiting an authorized Trek dealer for a professional fitting session and to test ride different sizes.