Trek
2026 | Marlin 4 Gen 3
2026 | Marlin 4 Gen 3
SKU:MAR238411883
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Shipping & Returns
Shipping & Returns
We care about your bike. We understand the excitement of unboxing a brand new bike and make sure you get the best experience when receiving your new bike.
Canadian shipping charges:
- Sale bikes: $200
- Standard pedal bikes: $100
- Electric bikes: $200
- Fat bikes: $200
- Kid's bikes: $60
Insurance charge: 1.5% insured value
Visit our shipping page for more details
Bike Specifications
Bike Specifications
Specifications are subject to change without notice
Drivetrain
Brakes
Cockpit
Wheels
Suspension
Frame
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Description
Description
Zipping through town, dipping your toes into the trail for the first time, or slicing through switchbacks, no matter where you roll, Marlin is a confidence-inspiring hardtail that’s ready for anything. With versatile trail geometry and Smart Wheel Sizing, this hardtail MTB is built to tackle everything. There’s a good reason it’s the world’s favorite TrekMarlin 4 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. It features a trail-savvy frame with a suspension fork, 8-speed Shimano ESSA shifting, and mounts for a rack and kickstand that make it an ideal choice for trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike.
Geometry Chart
Geometry Chart
| Measurement | Small | Medium | Large | Medium / Large | X-Large | X-Small | XX-Small |
|---|---|---|---|---|---|---|---|
| Reach (mm) | 415 | 418 | 451 | 434 | 466 | 390 | 365 |
| Stack (mm) | 572 | 602 | 611 | 602 | 630 | 563 | 544 |
| Head Tube Angle (°) | 66.5° | 69.5° | 69.5° | 69.5° | 69.5° | 66.5° | 66.5° |
| Seat Tube Angle (°) | 73.8° | 71.9° | 71.9° | 71.9° | 71.9° | 73.8° | 74.0° |
| Wheelbase (mm) | 1121 | 1100 | 1137 | 1116 | 1159 | 1092 | 1060 |
| Chainstay Length (mm) | 433 | 438 | 438 | 438 | 438 | 433 | 433 |
| Head Tube Length (mm) | 100 | 90 | 100 | 90 | 120 | 90 | 90 |
| Seat Tube Length (mm) | 370 | 419 | 470 | 444 | 521 | 340 | 320 |
| BB Drop (mm) | 45 | 58 | 58 | 58 | 58 | 45 | 38 |
| Rake (mm) | 42 | 42 | 42 | 42 | 42 | 42 | 40 |
| Trail (mm) | 11 | 9 | 9 | 9 | 9 | 11 | 10 |
| Axle to Crown (mm) | 572 | 602 | 611 | 602 | 630 | 563 | 544 |
Part Numbers
Part Numbers
| Size | Purple Flip/Black Fade | Matte Dark Web | Blue Sage |
|---|---|---|---|
| Small |
SKUMAR349934283
VPNTrek_5336970
UPC197216252184
MPN5336970
|
SKUMAR274684743
VPNTrek_5336956
UPC197216252047
MPN5336956
|
SKUMAR233512833
VPNTrek_5336963
UPC197216252115
MPN5336963
|
| Medium |
SKUMAR332691723
VPNTrek_5336971
UPC197216252191
MPN5336971
|
SKUMAR261844253
VPNTrek_5336957
UPC197216252054
MPN5336957
|
SKUMAR229248243
VPNTrek_5336964
UPC197216252122
MPN5336964
|
| Large |
SKUMAR331410153
VPNTrek_5336973
UPC197216252214
MPN5336973
|
SKUMAR266498703
VPNTrek_5336959
UPC197216252078
MPN5336959
|
SKUMAR229904853
VPNTrek_5336966
UPC197216252146
MPN5336966
|
| Medium/Large |
SKUMAR345721593
VPNTrek_5336972
UPC197216252207
MPN5336972
|
SKUMAR276699233
VPNTrek_5336958
UPC197216252061
MPN5336958
|
SKUMAR238890633
VPNTrek_5336965
UPC197216252139
MPN5336965
|
| X-Large |
SKUMAR347515363
VPNTrek_5336974
UPC197216252221
MPN5336974
|
SKUMAR277508623
VPNTrek_5336960
UPC197216252085
MPN5336960
|
SKUMAR238411883
VPNTrek_5336967
UPC197216252153
MPN5336967
|
| X-Small |
SKUMAR351859113
VPNTrek_5336969
UPC197216252177
MPN5336969
|
SKUMAR281534123
VPNTrek_5336955
UPC197216252030
MPN5336955
|
SKUMAR248566853
VPNTrek_5336962
UPC197216252108
MPN5336962
|
| XX-Small |
SKUMAR358469473
VPNTrek_5341142
UPC197216261483
MPN5341142
|
SKUMAR284001863
VPNTrek_5341140
UPC197216261469
MPN5341140
|
SKUMAR247743913
VPNTrek_5341141
UPC197216261476
MPN5341141
|
Size Chart
Size Chart
| Size | Size (cm) | Rider height (in) | Rider height (cm) | Inseam (in) | Inseam (cm) |
|---|---|---|---|---|---|
| X-Small | — | 4'9" - 5'1" | 145 - 155 cm | 27" - 29" | 69 - 73 cm |
| Small | — | 5'1" - 5'5" | 155 - 165 cm | 29" - 31" | 74 - 78 cm |
| Medium | — | 5'5" - 5'10" | 165 - 177 cm | 31" - 33" | 79 - 83 cm |
| Medium/Large | — | 5'8" - 5'11" | 173 - 180 cm | 32" - 34" | 81 - 86 cm |
| Large | — | 5'10" - 6'2" | 177 - 188 cm | 33" - 35" | 84 - 89 cm |
| X-Large | — | 6'2" - 6'5" | 188 - 195 cm | 35" - 36" | 89 - 91 cm |
| XX-Large | — | 6'5" - 6'8" | 195 - 203 cm | 36" - 38" | 91 - 97 cm |
Will my bike have a curved top tube?
Fit for every rider
High tech, high value
Shimano CUES

