Marin Bikes
Marin Bobcat Trail 3 Hardtail Mountain Bike 29"
Marin Bobcat Trail 3 Hardtail Mountain Bike 29"
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HARDTAIL TRAIL RIDING
AGGRESSIVE SINGLETRACK
The Marin Bobcat Trail 3 is our most-affordable Bobcat, creating the biggest smiles for the least possible dollars. Its heart is a Series 2 aluminum frame that’s fast, comfy and fun on the trails. There are options for 27.5” and 29” wheels and the bike is built with a trail-taming SR/Suntour suspension fork, wide-range microSHIFT 9-speed drivetrain, and powerful Tektro hydraulic brakes.
Specifications
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Frame
Series 2 6061 Aluminum, 27.5" or 29” Wheels, Low Standover, 68mm BB shell, 141mm Forged Dropouts, IS Chainstay Disc Mount, Internal Housing & Dropper Post Routing
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Front Suspension
SR/Suntour XCM HLO, 120mm Travel, Hydraulic Lockout, 46mm Offset
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Rim
Marin Aluminum Double Wall, 25mm Inner, Pinned Joint, Disc Specific
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Hub Rear
Forged Alloy, Disc, 32H
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Hub Front
Forged Alloy, Disc, 32H
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Spokes
14g Black Stainless Steel
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Tires
MTB, 27.5/29x2.25"
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Derailleur Rear
microSHIFT Advent 9, Clutch
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Derailleur Front
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Shift Lever
microSHIFT Advent 9 Trail
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Crankset
Alloy Crank, Steel Narrow-Wide Chainring, 32T
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Bottom Bracket
Sealed Cartridge Bearings, Square Taper
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Chain
KMC X9
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Cassette
SunRace 9-Speed, 11-46T
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Brakes Front
Tektro M280 Hydraulic Disc, 180mm Rotor
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Brakes Rear
Tektro M280 Hydraulic Disc, 160mm Rotor
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Brake Levers
Tektro M280 Hydraulic
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Handlebar
Marin 31.8 Riser, 12mm Rise, 780mm Width, XS/S models have 740mm Width.
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Stem
Marin Alloy, 31.8mm Clamp, 45mm
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Grips
Marin MTB, Closed End
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Headset
FSA No.10-P
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Seatpost
Marin Alloy, 30.9
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Saddle
Marin MTB
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Pedals
Nylon Platform
Specifications, pricing, and availability are subject to change without notice.
Geometry

| 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
