Marin San Quentin 3

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Developed in conjunction with freeride legend Matt Jones and taking its name from the most rough and tumble piece of Marin County, the all-new San Quentin collection lives up to the notoriety of the namesake maximum security California State Prison. Blending the strength and style of our Alcatraz dirt jump frame with the natural trail savvy of the Nail Trail hardtail, the San Quentin family of aggressive trail hardtails is the perfect mash-up for the modern trail rider. 

The San Quentin expands the capabilities of a standard dirt jumper and opens up the ability to have one bike to ride on the pump track and also to shred around your local trail. With a 65 degree head tube angle, 130mm front suspension travel and a steep 75 degree seat tube angle, the San Quentin allows for great control on the descents, while also being able to climb fast and efficiently.

The slack head tube also carries the upgraded Rockshox Revelation RC air fork , complete with 130mm of travel and thru axle.

Whilst the frame has the looks of a dirt jumper, the addition of the Shimano SLX 1 X 11 drivetrain and X-Fusion Mani dropper post demonstrates its true trail worthy capabilities.

Capable Shimano hydraulic disc brakes bolted to the boost spaced dropouts, provide a stable base from which you can turn the shred gauge up to 10.  

  • 6061 Aluminum, Double Butted Boost Frame
  • RockShox Revelation RC front air fork with 130mm travel, thru axle
  • Shimano SLX 1x11 speed
  • Shimano hydraulic disc brakes
  • X-Fusion Manic dropper seat post
  • Weight: 12.9kg without pedals



Your bike will arrive in a custom Bicycles Online bike guard box as described in the below video.


Marin San Quentin 3


Series 3 6061 Aluminum, Double Butted Frame, Internal Shifter & Dropper Post Routing, External Brake, 12x148mm Thru Axle, 73mm Threaded BB


RockShox Revelation RC, 110x15mm Boost Spacing, Fast Black Stanchions, 130mm Travel, Bolt-On Thru Axle 


Marin Mini-Riser, 6061 Double Butted, 28mm Rise, 780mm width, 4° up, 9° back 


Marin 3D Forged Alloy 35mm


FSA No 57E, Sealed Cartridge Bearings, 11/8"x11/2” 


Marin MTB


X-Fusion Manic, 1x Plastic Remote, Size S 125mm Travel, All Other Sizes: 150mm Travel 


FSA Comet, Direct Mount 32T Ring, 2-piece Design 




SunRace, 11-Speed, 11-46T




Shimano SLX RD-M7000, SLX GS, Direct Mount, 11-Speed 


Shimano SL-7000R 11-Speed


Shimano BL-MT400 Hydraulic


Shimano BL-MT400 Hydraulic Disc, 180mm Rotor (front), 160mm Rotor (Rear)


Schwalbe Magic Marry 27.5x2.6 SnakeSkin, TL Easy, Addix Soft


Marin Aluminum Double Wall, Disc Specific, 29mm Inner, Pinned Joint, 32H, Tubeless Compatible 
HUB REAR Forged Alloy, Quad Sealed Cartridge Bearings, Alloy Axle, 12x148mm, 6-Bolt Disc, 32H, Shimano Standard Freehub Body 
HUB FRONT Forged Alloy, 110x15mm, Sealed Cartridge Bearing, 6-Bolt Disc, 32H 
Size Chart





RIDER HEIGHT 162-170cm 170-178cm 178-183cm 183-188cm


Note: If you are in between sizes, measure your wingspan. If it is greater than your height, go for the frame size up. If your height is greater than your wingspan, go for a frame size down.


We understand how important shipping is once you click "buy now", that's why we have the following policies

Australian Warehouse

All products are in stock and ready to ship from our Sydney warehouse (with the exception of preordered bikes, which have the dispatch date illustrated)

Next day dispatch

All orders received by 5 pm AEST will usually be dispatched the following business day. If an order is placed on the weekend or public holiday, please note dispatch will usually be the next working day. For tracked shipments, please allow 12 hours for tracking to begin.

Shipping of Parts, Accessories and Apparel

Economy Shipping

There is free delivery available on all small parcels Australia wide using tracked services of Australia Post or Fastway, no minimum order value required! Estimated delivery time is 4-9 business days. 

Express Shipping

We do also offer Express Shipping for a small additional fee on parts, accessories and apparel orders. Estimated delivery time on Express Shipping is 1 to 4 business days.

Shipping of Bikes

Shipping of bikes and other bulky goods is free to 85% of residences in Australia. However, some postcodes incur a surcharge starting from $29. 

Once shipped you will be issued a consignment number which can be used to track your parcel. We use Direct Freight Express for deliveries and you can track your delivery by calling 1300 347 397 or online at


We’re so confident that you’ll love our extensive range of bikes, that we’ll let you ride one as your own for a full 14 days and if you don’t like it, simply e-mail us at and we’ll pick it up from you, free of charge! Just make sure you keep the box so it can be re-used to send it back. Click here for more information. 

All of our bicycles come with a Free Pro Build valued at $99. This means that your bicycle will be pre built by our professional mechanics. For your convenience, safety and comfort all our bikes are fully assembled prior to delivery. The bike is then packaged back into a box for secure shipment.


When your bike arrives, all you have to attach is the front wheel, the handlebar and pedals, everything else has been done – the headset has been adjusted, wheels trued, pedals and seat post greased, brakes and gears calibrated, and the tyres have been pumped up (please note upon arrival, in some cases you may need to add more air to tyres).

Most companies simply sell you the bike as it comes from the factory, which will require significant know-how to get your bike on the road. Currently we are the only Australian company providing this service, and have the 14 day test ride to back it up.

All tools are provided with the bike.

If you are unsure of how to assemble this bike after viewing the instruction videos above, we recommend you ask for help from someone with knowledge of how to use basic hand tools. 

Please note, that all bicycles whether purchased online or instore, are mechanical devices and need to be serviced regularly to ensure proper functioning. 

This bicycle is backed by a LIFETIME factory warranty on frame and full manufacturer’s warranty on parts. Lifetime warranty refers to the lifetime of the original owner.

Warranty is valid only for bicycle that has been properly and well-maintained under the following conditions:

Warranty includes:

  • All damaged or fractured or broken frame / fork / component which was caused by manufacturing or assembling error in factory.
  • Non functioning mechanism caused by manufacturing error in factory.

Warranty is NOT valid for:

  • Incorrect assembly, i.e pedals installed in the wrong crank arm. 
  • Normal degradation caused by frequent use, such as degrading brake shoe, deflated tire, etc
  • Surface defects, such as stained, marred, defaced, etc
  • Damaged caused by misuse or accident
  • Other damages which are not caused by factory error
  • Bicycle which has been sold to other party
  • Bicycle used in commercial, such as rented
  • Bicycle which has not been well-maintained

For any damages which is guaranteed by the brand as the first condition above, the brand will repair or replace damaged frame / fork / component with the one of the same brand or similar.

Warranty is valid for all Polygon and Marin bicycles to the original owner only, by showing the purchase invoice.  

To make a claim click here.

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