Marin Bikes

Bobcat Trail 4

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Marin Bobcat Trail 4 29 profile, blue/blue.

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  • Suspension: SR/Suntour XCM HLO-DS
  • Wheel Size: 29", 27.5"
  • Frame: Aluminum
  • Size Range: S, M, L, XL
  • Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.

HARDTAIL TRAIL RIDING

AGGRESSIVE SINGLETRACK

The Marin Bobcat Trail 4 is our mid-level Bobcat, packing plenty of fun into a bang-for-bike package. Very much a legit MTB, the Bobcat 4 is stacked with quality kit for off-road adventures and includes an SR/Suntour fork, Shimano CUES wide-range 10-speed shifting and Tektro hydraulic brakes. Like all Bobcats, it’s built around a fast, comfy and fun Series 2 aluminum frame and is available in 27.5” or 29” wheels, depending on frame size.

Key upgrades over the Bobcat Trail 3:

  • SR/Suntour XCM HLO-DS fork
  • Shimano CUDES 1x 10-speed drivetrain
  • WTB Trail Boss Comp tires

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Specifications

  • Frame

    Series 2 6061 Aluminum, 27.5" or 29” Wheels, Low Standover, 68mm BB shell, 135mm Forged Dropouts, IS Chainstay Disc Mount, Internal Housing & Dropper Post Routing

  • Front Suspension

    SR/Suntour XCM HLO-DS, 120mm Travel, Hydraulic Lockout, 46mm Offset

  • Rim

    Marin Aluminum Double Wall, 25mm Inner, Pinned Joint, Disc Specific

  • Hub Rear

    Forged Alloy, Disc, 32H

  • Hub Front

    Forged Alloy, Disc, 32H

  • Spokes

    14g Black Stainless Steel

  • Tires

    WTB Trail Boss Comp, 27.5/29x2.25, Wire Bead

  • Derailleur Rear

    Shimano CUES U6000GS, w/Clutch

  • Derailleur Front

    -

  • Shift Lever

    Shimano CUES 10-Speed

  • Crankset

    Alloy Crank, Steel Narrow-Wide Chainring, 32T

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC LG

  • Cassette

    Shimano CUES CSLG300, 10-Speed, 11-48T

  • Brakes Front

    Tektro M280 Hydraulic Disc, 180mm Rotor

  • Brakes Rear

    Tektro M280 Hydraulic Disc, 160mm Rotor

  • Brake Levers

    Tektro M280 Hydraulic

  • Handlebar

    Marin 31.8 Riser, 12mm Rise, 780mm Width

  • Stem

    Marin Alloy, 31.8mm Clamp, 45mm

  • Grips

    Marin MTB, Closed End

  • Headset

    FSA No.10-P

  • Seatpost

    Marin Alloy, 30.9

  • Saddle

    Marin MTB

  • Pedals

    Nylon Platform

Specifications, pricing, and availability are subject to change without notice.

Geometry

Bobcat Trail 4 geometry diagram
XS S M (27.5) M (29) L XL
Stack 599 603 608 635 639 644
Reach 430 445 455 455 475 495
Head Tube Angle 66.5° 66.5° 66.5° 66° 66° 66°
Head Tube Length 100 105 110 110 115 120
Seat Tube Angle 74.5° 74.5° 74.5° 74.5° 74.5° 74.5°
Seat Tube Length 330 381 431 431 482 520
Top Tube Effective 596 612 623 631 652 673
BB Height 307 307 307 311.5 311.5 311.5
BB Drop 48 48 48 61 61 61
Chain Stay 415 415 415 430 430 430
Wheel Base 1127 1144 1156 1186 1208 1230
Stand Over Height 620 640 690 704 732 760
Fork Offset 42 42 42 46 46 46
SeatPost Diameter 30.9 30.9 30.9 30.9 30.9 30.9
Handlebar Width 780 780 780 780 780 780
Stem Length 45 45 45 45 45 45
Crank Length 170 170 170 170 170 170

All lengths in millimeters

Technology

Marin Bobcat Trail 3 front 3/4 view.

SERIES 2 ALUMINUM FRAME

The Bobcat Trail has a Series 2 aluminum frame that features double butted 6061 tubing, internal cable routing, and forged 135mm open dropouts that ensure a stiff and light frame package. Available with 27.5” (S/M frames) or 29” (M/L/XL frames) wheels, depending on size and preference.

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Detail of Marin Bobcat Trail 3 fork and front tire.

29” OR 27.5” WHEELS

The Bobcat Trail has a growing wheel size strategy for the best fit and performance with the choice of 27.5” or 29” platforms on the size M, 27.5” wheels on sizes XS and S, and 29” wheels on sizes L, XL, and XXL.

Rider Erich descending on a Marin Bobcat Trail 4.

TRAIL GEOMETRY

All Bobcat Trail models feature Marin Trail geometry, featuring a long-ish reach, low standover, slack head tube, and steep seat tube angles, giving riders confidence and predictable handling to have a blast on the trail.

Detail image of the seatstays and chainstay of the Marin Bobcat Trail 3.

FASTBACK SEATSTAY DESIGN

Fastback seatstays add vertical compliance without sacrificing power transfer, and feature rack mounts for extended trail adventures.

Marin Bobcat Trail 4 frame detail.

INTERNAL DROPPER COMPATIBLE

Bobcat Trail models have a 30.9mm seatpost and internal cable routing ports for future dropper post compatibility.

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