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The San Quentin 3 is the top dog in the SQ family. We’ve worked tirelessly to create the very best-specced San Quentin ever but still kept the price tag down to earth and in reach of everyone. Marzocchi Z2 fork? Check. TRP 4-piston brakes and 12-speed drivetrain? X-Fusion dropper post? You got it. FSA cranks, Maxxis rubber and plenty of kick-ass Marin kit? Abso-freakin-lutely.
The San Quentin 3 is the top dog in the SQ family. We’ve worked tirelessly to create the very best-specced San Quentin ever but still kept the price tag down to earth and in reach of everyone. Marzocchi Z2 fork? Check. TRP 4-piston brakes and 12-speed drivetrain? X-Fusion dropper post? You got it. FSA cranks, Maxxis rubber and plenty of kick-ass Marin kit? Abso-freakin-lutely.
Marin

Marin San Quentin 3 - Purple Fade

£1,699.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
No Hassle Returns


Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.



To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Several types of goods are exempt from being returned. Perishable goods such as food, flowers, newspapers or magazines cannot be returned. We also do not accept products that are intimate or sanitary goods, hazardous materials, or flammable liquids or gases.

Additional non-returnable items:

  • Gift cards
  • Custom painted items
  • Items that have had custom decals fitted or frame protection
  • Custom built items such as wheels or bikes
  • Special order items
  • Some health and personal care items

To complete your return, we require a receipt or proof of purchase.

Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted: (if applicable)

  • Book with obvious signs of use.
  • CD, DVD, VHS tape, software, video game, cassette tape, or vinyl record that has been opened.
  • Any item not in its original condition, is damaged or missing parts for reasons not due to our error.
  • Any item that is returned more than 30 days after delivery


Refunds (if applicable)

Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable)

If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted.

If you’ve done all of this and you still have not received your refund yet, please contact us at info@mechmonkey.co.uk.

Sale items (if applicable)

Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)

We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@mechmonkey.co.uk and send your item to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

Gifts

If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you.

If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.

Shipping

To return your product, you should mail your product to: 2A Balmoral Link, Belfast, BT12 6QB, United Kingdom.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

Marin San Quentin 3 - Purple Fade

Season:2026

Brand:Marin

Code:7406880PURFADE

The San Quentin is for the agressive hardtail trail rider looking for a blend between singletrack capabilities and extended air time.

The San Quentin 3 is the top dog in the SQ family. We’ve worked tirelessly to create the very best-specced San Quentin ever but still kept the price tag down to earth and in reach of everyone. Marzocchi Z2 fork? Check. TRP 4-piston brakes and 12-speed drivetrain? X-Fusion dropper post? You got it. FSA cranks, Maxxis rubber and plenty of kick-ass Marin kit? Abso-freakin-lutely.

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

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

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.

ISCG TABS

San Quentin 2 and 3 models feature ISCG 05 tabs for easy chain retention device installation for rowdier riders.

Technical Information

Specifications

  • Frame

    Series 3 6061 Aluminum, Double Butted Frame, Internal Cable Routing, 12x148mm Thru-Axle, 73mm Threaded BB

  • Front Suspension

    Marzocchi Bomber Z2, 110x15mm Boost Spacing, 140mm Travel, Kabolt Axle

  • Rims

    Marin Aluminum Double Wall, Disc Specific, 29mm Inner, Sleeved Joint, 32H, Tubeless Compatible

  • Hub, Rear

    Shimano FH-TC500, 148x12, MicroSpline Freehub Body, Centerlock Disc, 32H

  • Hub, Front

    Shimano HB-TC500, 110x15mm

  • Spoke, Nipples

    14g Black Stainless Steel

  • Tires

    Maxxis Assegai, 27.5x2.5" MAXX TERRA, EXO Casing, Tubeless Compatible

  • Derailleur, Rear

    Shimano Deore, 12-Speed, SGS

  • Derailleur, Front

    -

  • Shift Lever

    Shimano Deore, 12-Speed, SL-7100R

  • Crankset

    FSA Comet, Modular 1x, 32T Direct Mount Chainring, MegaTooth Technology, Boost Spacing

  • Bottom Bracket

    FSA MegaExo 73mm BSA

  • Chain

    KMC X-12 Silver and Black

  • Cassette

    SunRace, 12-Speed, MicroSpline, 10-51T

  • Brake, Front

    TRP Slate EVO 4-Piston Hydraulic, Resin Pads, 203mm Rotor

  • Brake, Rear

    TRP Slate EVO, 4-Piston Hydraulic, Resin Pads, 180mm Rotor

  • Brake Levers

    TRP Slate EVO, I-Spec EV Compatible

  • Handlebar

    Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back

  • Stem

    Marin 3D Forged Alloy, 35mm

  • Grips

    Marin Grizzly Lock On

  • Headset

    FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”

  • Seatpost

    TranzX YSP23JL, 1x Remote, Size S 125mm Travel, Size M 150mm, L 170mm Travel, and Size XL 200mm Travel, 30.9mm

  • Saddle

    Marin Speed Concept

  • Pedals

    Marin Oso OE Flat

  • Extras

    -

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

Sizing Information

Geometry

San Quentin 3 geometry diagram
SMLXL
Stack632636645650
Reach422450470500
Headtube Angle64°64°64°64°
Headtube Length115120125130
Seattube Angle77°77°77°77°
Seattube Length330380410420
Toptube Effective568596619650
BB Height327327327327
BB Drop50505050
Chainstay430430430430
Wheelbase1182121212361268
Standover Height627.7656.4664.8681
Fork Offset44444444
Seatpost Diameter30.930.930.930.9
Handlebar Width780780780780
Stem Length35353535
Crank Length170170170170

All lengths in millimeters

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