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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
trek marlin gravel bike Marlin 4 Gen 2The Marlin 4 is a beginner friendly mountain bike that faithfully accompanies you both on the bike path and the trail. It is ideal for anyone who wants a mountain bike with knobby tires that also serves as a robust commuter. Disc brakes, suspension fork, 14 speed transmission from Shimano, and mounting options for racks and fenders make it a reliable companion for trail bikers and commuters alike. Frame Set Frame: Size: XS, S: Alpha Silver Aluminum,
The Marlin 4 is a beginner-friendly mountain bike that faithfully accompanies you both on the bike path and the trail. It is ideal for anyone who wants a mountain bike with knobby tires that also serves as a robust commuter. Disc brakes, suspension fork, 14-speed transmission from Shimano, and mounting options for racks and fenders make it a reliable companion for trail bikers and commuters alike.
Frame Set
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Frame:
- Size: XS, S: Alpha Silver Aluminum, curved top tube, internal cable routing, disc brake mount on chainstay, rack mounts, kickstand mount, 135 x 5 mm quick-release axle
- Size: M, ML, L, XL, XXL: Alpha Silver Aluminum, internal cable routing, disc brake mount on chainstay, rack mounts, kickstand mount, 135 x 5 mm quick-release axle
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Fork:
- Size: XS: SR Suntour XCE 28, coil spring, adjustable preload, 42 mm offset for 27.5" wheel, 100 mm quick-release axle, 80 mm travel
- Size: S: SR Suntour XCE 28, coil spring, adjustable preload, 42 mm offset for 27.5" wheel, 100 mm quick-release axle, 100 mm travel
- Size: M, ML, L, XL, XXL: SR Suntour XCE 28, coil spring, adjustable preload, 46 mm offset for 29" wheel, 100 mm quick-release axle, 100 mm travel
- Max. compatible fork travel: 100 mm (XS & S: 490 mm axle to crown, M & larger: 509 mm axle to crown)
Wheels
- Front Hub: Formula DC-20, aluminum, 6-bolt disc mount, 5 x 100 mm quick-release axle
- Rear Hub: Formula DC-31, aluminum, 6-bolt disc mount, 6/7/8-speed freehub, 135 x 5 mm quick-release axle
- Rim: Bontrager Connection, double-wall rim, 32-hole, 20 mm internal width, Schrader valve
- Spokes: 14 g, stainless steel, black
- Max. tire size: Frame: 29 x 2.20 (XS & S: 27.5 x 2.40)
Drivetrain
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Shifters:
- 2-speed: Shimano EF500
- 7-speed: Shimano Altus EF500
- Front Derailleur: Shimano Altus M315, 34.9 mm clamp diameter, top swing, dual pull
- Rear Derailleur: Shimano Tourney TY300
-
Crank:
- Size: XS, S, M: ProWheel TM-CY10, 36/22 T, 170 mm crank arm length
- Size: ML, L, XL, XXL: ProWheel TM-CY10, 36/22 T, 175 mm crank arm length
- Bottom Bracket: VP BC73, 73 mm, threaded cartridge
- Cassette: Shimano TZ500, 14-34 T, 7-speed
- Chain: KMC Z7, for 7-speed cassette
- Pedal: Non-slip pedals with reflectors
- Max. chainring size: 1x/2x: 34 T, 3x: 42 teeth
Components
- Saddle: Bontrager Verse Short, stainless steel rails
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Seatpost:
- Size: XS, S: Bontrager aluminum, 31.6 mm, 12 mm offset, 330 mm length
- Size: M: Bontrager aluminum, 31.6 mm, 12 mm offset, 360 mm length
- Size: ML, L, XL, XXL: Bontrager Aluminum, 31.6 mm, 12 mm offset, 400 mm length
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Handlebar:
- Size: XS, S: Bontrager Aluminum, 31.8 mm, 5 mm rise, 690 mm width
- Size: M, ML, L, XL, XXL: Bontrager Aluminum, 31.8 mm, 15 mm rise, 750 mm width
- Grips: Bontrager XR Endurance Comp, with clamp
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Stem:
- Size: XS, S: Bontrager Comp, 31.8 mm, Blendr-compatible, 7 degrees, 50 mm length
- Size: M: Bontrager Comp, 31.8 mm, Blendr-compatible, 7 degrees, 60 mm length
- Size: ML, L: Bontrager Comp, 31.8 mm, Blendr-compatible, 7 degrees, 70 mm length
- Size: XL, XXL: Bontrager Comp, 31.8 mm, Blendr-compatible, 7 degrees, 80 mm length
- Headset: Semi-integrated, 1 1/8"
- Brake: Power BH-M286TF, hydraulic disc brake, 160 mm disc diameter
- Brake Disc: Tektro, 6-hole, 160 mm
- Brake Disc Diameter: Max. brake disc diameter - frame: 180mm, min. 160mm
Weight
- Weight: M – 14.60 kg
- Max. Weight: This bike has a maximum weight limit (bike, rider, and cargo) of 136 kg.
* Specification may vary in details in exceptional cases, depending on the manufacturer.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Good speed
Color: C-Black, Size: Model C Rechargeable
Love the rechargeable feature, works great as a frother, however, I have to get use to the on/off feature instead of the press to froth like the older unit.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Hold on tight! Has the strength to spin right out of your hands. 😀
Color: C-Stand Black, Size: Model C Rechargeable
What a pleasant surprise to experience this double whisk Electric Milk Frother!! The sheer power is incredible. Makes the most delicious blended Green Tea Match Latte, Dalgona Coffee and Mochas! The only "con" happened yesterday when I was frothing my Green Tea and the device just suddenly stopped! At the time, I wished that there was some sort of colored bulbs or other way of determining charge levels. A remarkably strong Milk Frother!
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good quality and durability
Color: C-Black, Size: Model C Rechargeable
It works very well very easy to use I'm very happy with my purchase
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Reviewed in the United States on May 16, 2026
★★★★★ 3
It froths, but is not dependent
Color: C-Black, Size: Model C Rechargeable
While this frother does “froth”, it has many more cons than pros. The ONLY pro is it froths. The cons—only good for a traditional coffee cup. It is not water proof, and the instructions say to keep the “unit “ dry. As you froth, the liquid naturally raises height. If you are trying to use a Togo coffee mug, or thermos type travel mug—it only works well if done it three or four levels to ensure keeping the motor above the liquid. The “rechargeable “ function DOES recharge, however- it may last 1use or a few. It’s VERY inconsistent. And does not seem to be related to how long you allow it to charge. Overall—not a good buy. I had mine maybe 3 months before it quit working. And at 2 months it started becoming spastic. Even after just being charged-it wouldn’t even froth 1cup. AVOID!!
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Easy to Use and Works Great
Color: C-Black, Size: Model C Rechargeable, Color: C-Black, Size: Model C Rechargeable
This milk frother works amazingly well! It’s powerful, easy to use, and creates rich, creamy foam in just seconds. The rechargeable design is very convenient, and the battery lasts a long time between charges. It feels sturdy and well-made, and cleaning it is quick and simple. I use it every day for my coffee, lattes, and hot chocolate, and it has exceeded my expectations. If you’re looking for an affordable and effective milk frother, this is definitely a great choice. Highly recommended
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Reviewed in the United States on June 10, 2026