DOWNHILL TRAILS
LIGHT DIRT JUMP
ENDURO
The San Quentin is for the aggressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time.
SPECIFICATIONS
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FRAME
All New Series 2 6061 Aluminum, Double Butted Frame, Internal Cable Routing, 141mm Open Dropout, 73mm Threaded BB
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FRONT SUSPENSION
SR Suntour XCM34 Boost 15x110mm Spacing, 130mm Travel, Coil Spring, 27.5", Bolt-On Thru-Axle
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RIMS
Marin Aluminum Double Wall, Disc Specific, 29mm Inner, Pinned Joint, 32H, Tubeless Compatible
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HUB, REAR
Forged Alloy, Quad Sealed Cartridge Bearings, Alloy Axle, QR type, 141mm Width, Disc, 32H, Shimano Standard Freehub Body
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HUB, FRONT
Forged Alloy, 110x15mm, Sealed Cartridge Bearing, Disc, 32H
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SPOKE, NIPPLES
14g Black Stainless Steel
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TIRES
Vee Tire Co., Flow Snap, 27.5x2.6", MPC Compound, Wire Bead
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DERAILLEUR, REAR
microSHIFT RD-M9195M, 9 Speed, With Clutch
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DERAILLEUR, FRONT
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SHIFT LEVER
microSHIFT SL-M9195-R, 1x9 with Bearings
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CRANKSET
Marin Forged Alloy, Integrated Steel 32T Narrow Wide Chainring, Boost Spacing
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BOTTOM BRACKET
Sealed Cartridge Bearing, Square Taper
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CHAIN
KMC X-9
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CASSETTE
SunRace, 9 Speed, 11-46T
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BRAKE, FRONT
Tektro M275 Hydraulic Disc, 180mm Rotor
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BRAKE, REAR
Tektro M275 Hydraulic Disc, 180mm Rotor
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BRAKE LEVERS
Tektro M275 Hydraulic
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HANDLEBAR
Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back
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STEM
Marin Alloy, 45mm
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GRIPS
Marin MTN, Closed End
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HEADSET
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
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SEATPOST
Marin Alloy, 30.9mm
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SADDLE
Marin Speed Concept
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PEDALS
Nylon Platform
GEOMETRY
![San Quentin 1 geometry diagram](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/geometry/_bikeGeometry320Wide/21_MRN_GEO_ALL_HARDTAILS_1416px.jpg)
S | M | L | XL | |
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STACK | 623.4 | 627.9 | 636.9 | 641.4 |
REACH | 422 | 450 | 470 | 500 |
HEADTUBE ANGLE | 64° | 64° | 64° | 64° |
HEADTUBE LENGTH | 110 | 115 | 125 | 130 |
SEATTUBE ANGLE | 77° | 77° | 77° | 77° |
SEATTUBE LENGTH | 310 | 340 | 375 | 414 |
TOPTUBE EFFECTIVE | 565.9 | 594.9 | 617 | 648.1 |
BB HEIGHT | 316 | 316 | 316 | 316 |
BB DROP | 50 | 50 | 50 | 50 |
CHAINSTAY | 425 | 425 | 425 | 425 |
WHEELBASE | 1176 | 1206.2 | 1230.6 | 1262.8 |
STANDOVER HEIGHT | 628.1 | 657 | 665.4 | 681.6 |
FORK OFFSET | 47 | 47 | 47 | 47 |
SEATPOST DIAMETER | 30.9 | 30.9 | 30.9 | 30.9 |
HANDLEBAR WIDTH | 780 | 780 | 780 | 780 |
STEM LENGTH | 35 | 35 | 35 | 35 |
CRANK LENGTH | 170 | 170 | 170 | 170 |
All lengths in millimeters
TECHNOLOGY
SERIES 3 AND 2 ALUMINUM FRAMES
The San Quentin 1 features a Series 2 aluminum frame, with tapered head tubes, 3D forged drop outs, IS brake mounts, and semi-internal cable routing. The San Quentin 2 and 3 feature Series 3 aluminum frames, with more advanced tube forming, more complex dropouts, post mount disc tabs, full internal cable routing, and a boost 148mm thru-axle
![Profile image of the San Quentin 3 on a gravel driveway](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/technology/_technology320X254/23-sq1-detail-3.jpg)
DIRT JUMP INSPIRED FRAME STYLE
Taking cues from the Alcatraz, the San Quentin line up provides all the benefits of the DJ style with massive stand over, slick frame tubes, and a sexy paint job.
![Detail image of the San Quentin 3 headtube, showing the slack 65° headtube angle](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/technology/_technology320X254/1228601/23_SQ3_detail-1_2022-10-17-184712_xmkj.jpg)
MODERN TRAIL GEOMETRY
The slack head tube angle paired with a steep seat tube angle create a ride that will fly uphill with perfect front wheel precision but then descend like it’s on rails. The balanced rider position thanks to the steep seat tube puts your weight between the wheels for impressive climbing and handling on flats, while the slack front end and short rear center help to pull you through the rough descents and corners with an intuitive feel.
![Detail image of the San Quentin 3, highlighting the crankset and ISCG 05 tabs](https://s3.us-east-1.amazonaws.com/craft-marinbikes/images/2020/bikes/technology/_technology320X254/23-sq1-detail-5.jpg)
ISCG TABS
San Quentin 2 and 3 models feature ISCG 05 tabs for easy chain retention device installation for rowdier riders.