2020 Trek Marlin 6

The 2020 Trek Marlin 6 is a 27.5″ / 29″ aluminum frame hardtail crosscountry bike with modest components.

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2020 Trek Marlin 6
  • MSRP $649
  • Weight 32.0 lbs / 14.5 kg
  • Front Travel 100mm
  • Frame Aluminum
  • Fork SunTour XCT
  • Wheels 27.5″ / 29″
  • Tire Clearance 2.2"
  • Drivetrain 2 × 8
  • Groupset Altus, Shimano
  • Brakes Hydraulic Disc
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2 × 8 — 16 speed

2020 Trek Marlin 6
28 mph
Similar Bikes
27 mph

The Marlin 6 is geared about the same as similar bikes for riding up hills.

The Marlin 6 is geared about the same as similar bikes for riding downhill.

Estimated Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more

Spec level →$0$200$400$600$800$1,000
This bike
Other crosscountry bikes



FrameAlpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
ForkSR Suntour XCT 30, coil spring, preload, hydraulic lockout, 51mm offset for 29'' wheel, 100mm QR, 100mm travel
Bottom BracketVP BC73, 73mm, threaded cartridge
HeadsetSemi-integrated, 1-1/8''
StemBontrager alloy, 31.8mm, Blendr compatible, 7 degree, 80mm length
HandlebarBontrager alloy, 31.8mm, 5mm rise, 720mm width
SaddleBontrager Arvada, steel rails, 138mm width
SeatpostBontrager alloy, 31.6mm, 12mm offset, 400mm length
GripsBontrager XR Endurance Comp, lock-on
Rear DerailleurShimano Altus M310
Front DerailleurShimano Altus M315, 34.9mm clamp, top swing, dual pull
CrankShimano M315, 36/22, 175mm length
ShiftersShimano Altus M315, 8 speed
CassetteShimano HG31, 11-34, 8 speed
ChainKMC Z8.3, 8 speed
BrakesTektro HD-M275 hydraulic disc
RimsBontrager Connection, double-wall, 32-hole, 20mm width, schrader valve
Spokes14g, stainless steel, black
Front HubFormula DC-20, alloy, 6-bolt, 5x100mm QR
Rear HubFormula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR
TiresBontrager XR2 Comp, wire bead, 30 tpi, 29x2.20''
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2020 Trek Marlin 6