Product Details

Key Features of TREK Marlin 4 Gen 2

✅ Alpha Silver Aluminum Frame - Lightweight, durable with internal cable routing ✅ 21-Speed Gear System - Supports riding in all terrain conditions ✅ Tektro Mechanical Disc Brakes - Provides confident braking in all road conditions ✅ SR Suntour XCE 28 Front Suspension - Reduces impact on rough trails ✅ Multiple Frame Sizes - Available in 7 sizes, with curved top tube in XS and S sizes for smaller riders ✅ Rack and Kickstand Mounts - Adds convenience for everyday use ✅ Lifetime Frame Warranty - Confidence in TREK quality

Specifications

Frame and Fork

• Frame:
  • Size XS, S: Alpha Silver Aluminum, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
  • Size M, ML, L, XL, XXL: Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
• Fork:
  • 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, XXL: SR Suntour XCE 28, coil spring, preload, 46mm offset for 29" wheel, 100mm QR, 100mm travel

Wheels and Tires

• Front Hub: Formula DC-20, alloy, 6-bolt, 5x100mm QR
• Rear Hub: Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135x5mm QR
• Rim: Bontrager Connection, double-wall, 32-hole, 20mm width, Schrader valve
• Tires:
  • Size XS, S: Bontrager XR2 Comp, wire bead, 30 tpi, 27.5x2.20"
  • Size M, ML, L, XL, XXL: Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20" / 29x2.00"

Drivetrain

• Shifter: Shimano EF500, 7 speed
• Front Derailleur: Shimano Tourney TY300, 34.9mm clamp, down swing, down pull
• Rear Derailleur: Shimano Tourney TY300
• Crankset:
  • Size XS, S, M: Shimano Tourney TY301, 42/34/24, 170mm length
  • Size ML, L, XL, XXL: Shimano Tourney TY301, 42/34/24, 175mm length
• Bottom Bracket: VP BC73, 73mm, threaded cartridge
• Cassette: Shimano TZ500, 14-28, 7 speed
• Chain: KMC Z7, 7 speed
• Pedals: VP-536 nylon platform

Other Components

• Saddle: Bontrager Arvada, steel rails, 138mm width
• Seatpost:
  • Size XS, S: Bontrager alloy, 31.6mm, 12mm offset, 330mm length
  • Size M: Bontrager alloy, 31.6mm, 12mm offset, 360mm length
  • Size ML, L, XL, XXL: Bontrager alloy, 31.6mm, 12mm offset, 400mm length
• Handlebar:
  • Size XS, S: Bontrager alloy, 31.8mm, 5mm rise, 690mm width
  • Size M, ML, L, XL, XXL: Bontrager alloy, 31.8mm, 5mm rise, 720mm width
• Grips: Bontrager XR Endurance Comp, lock-on
• Stem:
  • Size XS: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 50mm length
  • Size S: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 60mm length
  • Size M: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 70mm length
  • Size ML, L: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 80mm length
  • Size XL, XXL: Bontrager Comp, 31.8mm, Blendr compatible, 7 degree, 90mm length
• Headset: Semi-integrated, 1-1/8"
• Brakes: Tektro MD-M280/MD-M281 mechanical disc, 160mm rotor

Why You'll Love TREK Marlin 4 Gen 2

• It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface
• Rack and fender mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter
• Smaller frame sizes (XS and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently
• Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount
• Like every model in the Marlin family, it's backed by Trek's lifetime warranty

Perfect For

🏞️ Those who want to start mountain biking at a great value
🚴‍♀️ Riders who need a bike that works both on trails and in the city
👨‍🎓 Students who need a sturdy bike for campus commuting
🌆 Anyone who wants a versatile bike for everyday transportation

Design Highlights

Fit for Every Rider
An easy-to-ride bike for everyone. Marlin has 7 frame sizes to choose based on your height. Smart wheel sizing for maximum speed according to your physique and preferences. Smaller frames feature short-reach brake levers and narrow handlebars for optimal fit for smaller riders.

High Tech, High Value
Marlin is a beautiful and fun-to-ride bike, packed with premium features found in high-end bikes, such as an attractive frame with clean internal cable routing that extends the lifespan and protects cables from external elements.

Upgrade Your Pedals for a Better Experience
Pedals are two of the five touchpoints that connect you with your bike. Although this bike comes with pedals, upgrading to pedals that boost control and grip will greatly improve your ride experience.