Marin Bobcat Trail 4 29" Mountain Bike 2025 - Hardtail MTB
The Marin Bobcat Trail 4 29" is designed for riders who want to explore trails with confidence and control. The lightweight Series 2 aluminium frame is paired with a 120mm SR Suntour XCM fork to handle bumps and rough terrain, while the Shimano CUES 10-speed drivetrain provides reliable shifting for a variety of gradients. Hydraulic disc brakes from Tektro ensure powerful stopping power, and the WTB Trail Boss tyres offer excellent traction for off-road conditions. This bike is built to deliver performance on the trail, whether you're tackling singletracks or enjoying an all-day adventure.
Key Features:
- Frame: Series 2 6061 Aluminium, internal cable routing, dropper post compatible
- Fork: SR Suntour XCM HLO-DS, 120mm travel with hydraulic lockout
- Drivetrain: Shimano CUES 10-speed with a wide 11-48T cassette for varied terrain
- Brakes: Tektro M280 hydraulic disc brakes with 180mm front and 160mm rear rotors
- Wheels: 29" Marin Aluminium Double Wall rims with WTB Trail Boss 2.25" tyres for traction
- Standout Feature: Modern trail geometry for confident handling on technical terrain
- Finance Option: Available with 0% APR finance
The Marin Bobcat Trail 4 29" combines a lightweight yet durable aluminium frame with trail-focused geometry to deliver a bike that is both fun and capable on a variety of off-road terrains. The SR Suntour XCM fork with 120mm of travel absorbs the bumps and offers great control over rough trails, while the hydraulic lockout allows you to make the fork more efficient on smoother surfaces or climbs. Shimano’s CUES drivetrain gives you a wide gear range, making climbs more manageable and descents faster, while the clutch-equipped rear derailleur keeps your chain stable on bumpy rides.
The Tektro M280 hydraulic disc brakes provide consistent and reliable stopping power, giving you the confidence to tackle steep descents and technical sections with control. The bike’s 29" wheels are paired with WTB Trail Boss tyres, which offer excellent grip and durability on loose or rocky surfaces, allowing you to ride harder and faster on any trail. The Marin Bobcat Trail 4 is perfect for riders looking to improve their skills and tackle more challenging trails.
This bike is also ready for upgrades, with internal routing for a dropper post, making it adaptable as your riding skills grow. Whether you're a beginner or an experienced rider, the Bobcat Trail 4 is equipped to handle all your off-road adventures.
Occasionally, without notice, manufacturers change product design and/or 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 |
Fork | SR/Suntour XCM HLO-DS, 120mm Travel, Hydraulic Lockout, 46mm Offset |
Headset | FSA No.10-P |
Stem | Marin Alloy, 31.8mm Clamp, 45mm |
Bars | Marin 31.8 Riser, 12mm Rise, 780mm Width |
Front Brake | Tektro M280 Hydraulic Disc, 180mm Rotor |
Rear Brake | Tektro M280 Hydraulic Disc, 160mm Rotor |
Brake Lever | Tektro M280 Hydraulic |
Rear Mech | Shimano CUES U6000GS, w/Clutch |
Shifters | Shimano CUES 10-Speed |
Speed | 10 |
Rims | Marin Aluminum Double Wall, 25mm Inner, Pinned Joint, Disc Specific |
Front Hub | Forged Alloy, Disc, 32H |
Rear Hub | Forged Alloy, Disc, 32H |
Spokes | 14g Black Stainless Steel |
Front Tyre | WTB Trail Boss Comp, 27.5/29x2.25, Wire Bead |
Rear Tyre | WTB Trail Boss Comp, 27.5/29x2.25, Wire Bead |
Seat Post | Marin Alloy, 30.9 |
Saddle | Marin MTB |
Bottom Bracket | Sealed Cartridge Bearings, Square Taper |
Chain | KMC LG |
Cassette | Shimano CUES CSLG300, 10-Speed, 11-48T |
Pedals | Nylon Platform |
Bobcat Trail Sizing
See the table below to find the right size Marin Bobcat Trail.
Size |
XS (27.5”) |
S (27.5”) |
M (27.5”) |
M (29”) |
L (29”) |
XL (29”) |
XXL (29”) |
Rider Height Range |
5’0” – 5’4” |
5’4” – 5’7” |
5’7” – 5’10” |
5’6” – 5’9” |
5’6” – 6’0” |
6’0” – 6’2” |
6’2” – 6’4” |
Read our bike size guide for more information on sizing.
Bobcat Trail Geometry
Size |
XS |
S |
M |
L |
XL |
XXL |
Wheel Size |
27.5” |
27.5” |
27.5” / 29” |
29” |
29” |
29” |
Stack (mm) |
578.56 |
583.19 |
587.83 / 613.97 |
618.6 |
623.24 |
627.88 |
Reach (mm) |
409.1 |
422.88 |
438.44 / 430.95 |
449.62 |
465.29 |
474.96 |
Head Tube Angle |
68 |
68 |
68 / 68 |
68 |
68 |
68 |
Head Tube Length (mm) |
100 |
105 |
110 / 110 |
115 |
120 |
125 |
Seat Tube Angle Virtual |
74 |
74 |
74 / 72.7 |
72.7 |
72.7 |
72.7 |
Seat Tube Angle Actual |
74 |
74 |
74 / 74 |
74 |
74 |
74 |
Seat Tube Length (mm) |
330 |
381 |
431 / 431 |
482 |
520 |
559 |
Top Tube Actual (mm) |
564.23 |
570.64 |
583.64 / 580.16 |
599.16 |
618.12 |
633.44 |
Top Tube Effective (mm) |
575 |
590 |
607 / 607 |
627 |
644 |
655 |
Bottom Bracket Height (mm) |
304.5 |
304.5 |
304.5 / 311 |
311 |
311 |
311 |
Bottom Bracket Drop (mm) |
48 |
48 |
48 /61 |
61 |
61 |
61 |
Chain Stay (mm) |
430 |
430 |
430 / 445 |
445 |
445 |
445 |
Wheelbase (mm) |
1098.23 |
1113.77 |
1131.32 / 1150.17 |
1170.17 |
1182.25 |
1199.8 |
Standover Height (mm) |
639.7 |
679.36 |
723.37 / 735.3 |
778.55 |
809.93 |
838.88 |
Fork Offset (mm) |
44 |
44 |
44 /51 |
51 |
51 |
51 |
Seatpost Diameter (mm) |
45 |
45 |
45 /45 |
45 |
45 |
45 |
Handlebar Width (mm) |
720 |
720 |
720 / 720- |
720 |
720 |
720 |
Stem Length (mm) |
45 |
45 |
45 /45 |
45 |
45 |
45 |
Crank Length (mm) |
170 |
170 |
175 / 175 |
175 |
175 |
175 |
Read our Mountain Bike Geometry Explained guide for more information on MTB geometry.
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Marin Bobcat Trail 4 29" Mountain Bike 2025 - Hardtail MTB
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