Trek Marlin Frame Geometry
| Frame Size Letter | XS | SM | MD | ML | LG | XL |
|---|---|---|---|---|---|---|
| Frame Size Number | 14.5" | 15.5" | 17.5" | 18.5" | 19.5" | 21.5" |
| Wheel Size | 27.5" | 27.5" | 29" | 29" | 29" | 29" |
| A - Seat Tube | 34 cm | 37 cm | 42 cm | 43.5 cm | 45 cm | 50 cm |
| B - Seat Tube Angle | 73.8 degrees | 73.8 degrees | 73.4 degrees | 73.4 degrees | 73.4 degrees | 73.4 degrees |
| Effective Seat Tube Angle | 74 degrees | 74 degrees | 74 degrees | 74 degrees | 74 degrees | 74 degrees |
| C - Head Tube Length | 9 cm | 10 cm | 10.5 cm | 11 cm | 11.5 cm | 13.5 cm |
| D - Head Angle | 66.5 degrees | 66.5 degrees | 66.5 degrees | 66.5 degrees | 66.5 degrees | 66.5 degrees |
| E - Effective Top Tube | 55.1 cm | 57.9 cm | 61.5 cm | 63.1 cm | 64.7 cm | 67.8 cm |
| F - Bottom Bracket Height | 31.3 cm | 31.3 cm | 30.8 cm | 30.8 cm | 30.8 cm | 30.8 cm |
| G - Bottom Bracket Drop | 4.5 cm | 4.5 cm | 6.0 cm | 6.0 cm | 6.0 cm | 6.0 cm |
| H - Chainstay Length | 43.3 cm | 43.3 cm | 43.8 cm | 43.8 cm | 43.8 cm | 43.8 cm |
| I - Offset | 4.2 cm | 4.2 cm | 4.6 cm | 4.6 cm | 4.6 cm | 4.6 cm |
| J - Trail | 11.0 cm | 11.0 cm | 11.0 cm | 11.0 cm | 11.0 cm | 11.0 cm |
| K - Wheelbase | 109.2 cm | 112.1 cm | 116.3 cm | 118.0 cm | 119.7 cm | 123.0 cm |
| L - Standover | 65.8 cm | 69.2 cm | 74.7 cm | 75.9 cm | 77.1 cm | 79.1 cm |
| M - Frame Reach | 39.0 cm | 41.5 cm | 44.0 cm | 45.5 cm | 47.0 cm | 49.5 cm |
| N - Frame Stack | 56.3 cm | 57.2 cm | 60.9 cm | 61.4 cm | 61.8 cm | 63.7 cm |