SKU: 40677708603
mountainbike trek marlin

mountainbike trek marlin Trek Marlin 4 Gen 3, XS, Dark Web– Sunshine Bicycle Center

Sale price$19.02 Regular price$21.13
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Ships within 48 hours · Estimated delivery Sep 29 - Oct 4

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Description

mountainbike trek marlin Trek Marlin 4 Gen 3, XS, Dark Web– Sunshine Bicycle CenterMarlin 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. Will my bike have a curved top tube? Smaller frames have a top tube that dips

Marlin 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.

    Will my bike have a curved top tube?

    Smaller frames have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frame sizes have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

    Fit for every rider

    Marlin comes in seven frame sizes to suit riders of any height, and Smart Wheel Size ensures you’re on the fastest wheel that fits. The smallest sizes even come with short-reach brake levers and narrower handlebars that give smaller riders better comfort and control.

    Sizing & Fit

    This Extra Small frame generally fits someone from 4'8" to 5'0", but there are some other factors, like arm and leg length, that determine a great fit. That’s why the best way to find your perfect fit is to consult the experts here at Sunshine Bicycle Center.

    Specifications

    *spec applies to all sizes unless otherwise noted

    • Frame:
      • Size: XXS , XS: Alpha Silver Aluminum, curved top tube, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
      • Size: S , M , ML , L , XL: Alpha Silver Aluminum, internal derailleur & dropper post routing, rack and kickstand mount, 135x5mm ThruSkew
    • Fork:
      • Size: XXS: SR Suntour XCM 30, coil spring, preload, hydraulic lockout, 42mm offset for 26'' wheel, 100mm QR, 100mm travel
      • Size: XS: SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 80mm travel
      • Size: S: SR Suntour XCE 28, coil spring, preload, 42mm offset for 27.5'' wheel, 100mm QR, 100mm travel
      • Size: M , ML , L , XL: SR Suntour XCE 28, coil spring, preload, 46mm offset for 29'' wheel, 100mm QR, 100mm travel
    • Hub front: Formula DC-20, alloy, 6-bolt, 5x100mm QR
    • Hub rear: Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
      Skewer rear: 173x5mm QR
    • Rim: Bontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
    • Tire:
      • Size: XXS: Bontrager Montrose Comp, wire bead, 30 tpi, 26x2.35''
      • Size: XS , S: Bontrager Montrose Comp, wire bead, 30 tpi, 27.5x2.4''
      • Size: M , ML , L , XL: Bontrager Montrose Comp, wire bead, 30 tpi, 29x2.4''
    • Shifter: Shimano M315, 8 speed
    • Rear derailleur: Shimano ESSA U2000
    • Crank:
      • Size: XXS , XS: ProWheel alloy, 32T narrow-wide steel ring, 160mm length
      • Size: S , M , ML: ProWheel alloy, 32T narrow-wide steel ring, 170mm length
      • Size: L , XL: ProWheel alloy, 32T narrow-wide steel ring, 175mm length
    • Cassette: Shimano HG300, 11-45, 8 speed
    • Chain: KMC Z8.3, 8 speed
    • Pedal: nylon platform
    • Saddle: Bontrager Verse Short, stainless steel rails
    • Seatpost:
      • Size: XXS: Bontrager alloy, 31.6mm, 12mm offset, 300mm length
      • Size: XS , S , M: Bontrager alloy, 31.6mm, 12mm offset, 330mm length
      • Size: ML , L , XL: Bontrager alloy, 31.6mm, 12mm offset, 400mm length
    • Handlebar:
      • Size: XXS , XS: Bontrager alloy, 31.8mm, 5mm rise, 690mm width
      • Size: S : Bontrager alloy, 31.8mm, 15mm rise, 720mm width
      • Size: M , ML , L , XL: Bontrager alloy, 31.8mm, 15mm rise, 750mm width
    • Grips: Trek Line Comp, nylon lock-on
    • Stem:
      • Size: XXS , XS , S: Bontrager Comp, 31.8mm, 7 degree, 35mm length
      • Size: M , ML , L: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
      • Size: X: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
    • Headset: Semi-integrated, 1-1/8''
    • Brake:
      • Size: XXS , XS , S: Tektro HD-M276 hydraulic disc
      • Size: XXS , XS , S , M , ML , L , XL: Power BH-M286TF hydraulic disc, 160mm rotor
      • Size: M , ML , L , XL: Tektro HD-M275 hydraulic disc
      • Size: M , ML , L , XL: Power BH-M286TF hydraulic disc, 180mm rotor
    • Brake rotor:
      • Size: XXS , XS , S , M , ML , L , XL: Tektro, 6-bolt, 160mm
      • Size: M , ML , L , XL: Tektro, 6-bolt, 180mm
    • This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 40677708603

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    Reviewed in the United States on November 15, 2025
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    Amazon Customer
    Houston, US
    ★★★★★ 3
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    Reviewed in the United States on September 28, 2025
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    LC
    Fort Morgan, US
    ★★★★★ 5
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    Size: Small, Color: (001) Black / Black / Castlerock
    LOVE! These socks are so comfortable! I wear a 5 in women's and a 3 in big kid shoes. The small fit me perfectly. I see where some say they run small but I can't say that was an issue for me. They are "snug" but thats what you want with a no show sock. I feel they have support vs the ones i used to buy at Walmart. They are very soft! I am actually buying more today and throwing my other ones in the trash!
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    Reviewed in the United States on February 18, 2026
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    Lucy Mejia
    Grantham, US
    ★★★★★ 5
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    Size: Medium, Color: (001) Black / Black / Castlerock
    I love these socks. They have a little bit of gel on the top of the heel for support in your tennis shoes and so your socks don’t write down. Very good quality.
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    Reviewed in the United States on May 6, 2026
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    Twins9
    Bozeman, US
    ★★★★★ 5
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    Size: Medium, Color: (002) Black / Black / Halo Gray
    These socks are honestly great. They’re super thin and light, so once you have them on, you kind of forget they’re even there. No bulky feeling in your shoes at all. The best part is they actually stay on. I hate no-show socks that slide down after five minutes, and these don’t do that. The little grip on the heel really works, so you’re not constantly adjusting them all day. They’re breathable too, which is nice if your feet run warm. They dry fast and don’t get that gross sweaty feeling. And there’s no annoying seam on the toe, so nothing rubs or feels uncomfortable. Basically, they’re just comfy, stay put, and don’t cause problems — which is all I want from socks.
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