• Black and green Trek Marlin 4 mountain bike on a light gray background
  • Angled view of a purple Trek Marlin 4 mountain bike on a white background
  • Close-up of a purple Trek Marlin 4 bicycle wheel and chain on a white background.
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Trek Marlin 4 XXS

Trek Marlin 4 XXS

210000020027

$599.97 USD
$629.99 USD $599.97 USD
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The Trek Marlin 4 is a trail-worthy daily rider built for everything from weekday commutes to weekend adventures. Whether you're rolling to class, or the trailhead, Marlin 4 brings the comfort and confidence of a commuter with the ruggedness of a real mountain bike.

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Description
Sizing
Specifications
Geometry

The Trek Marlin 4 features a stable frame with a suspension fork to smooth rough paths, plus 8-speed Shimano ESSA shifting and mounts for racks and a kickstand.

XXS frames fit riders with a height range of 135 - 145 cm (4'5" - 4'9") or inseam of 64 - 68 cm (25" - 27")

Specifications may vary by frame size. We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.

Trek Frame Geometry image with labled parts.
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