Trek Marlin Interactive Sizing Guide
Find your Marlin size
Tell us your height and who's riding — we'll tell you which size to order.
Height
Who's riding?
Enter a height and hit Show my size.
Trek Marlin size chart
Trek's recommended rider height for each frame size. Your match is highlighted after you use the finder above.
| Size | Rider height (cm) | Rider height (ft / in) | Wheels |
|---|---|---|---|
| XS13.5" | 147 – 155 cm | 4'10" – 5'1" | 27.5" |
| S15.5" | 153 – 162 cm | 5'0" – 5'4" | 27.5" |
| M17.5" | 161 – 172 cm | 5'3" – 5'8" | 29" |
| M/L18.5" | 165 – 175 cm | 5'5" – 5'9" | 29" |
| L19.5" | 174 – 185 cm | 5'8" – 6'1" | 29" |
| XL21.5" | 184 – 195 cm | 6'0" – 6'5" | 29" |
| XXL23" | 192 – 203 cm | 6'4" – 6'8" | 29" |
Ranges overlap on purpose — longer legs or a growing rider, go up; shorter legs or a nimbler feel, go down.
Marlin 4 also comes in XXS (26" wheels) for riders under 147 cm.
Not sure? Call 01334 838989 — we'll size you properly before anything leaves the shop.