Marin San Quentin 3 27.5" Hardtail Mountain Bike - 2025
- Marzocchi Bomber Z2 fork
- Shimano Deore wide-range 12-speed drivetrain
- TRP Slate Evo 4-piston brakes
Meet the Marin San Quentin 3 27.5" Hardtail Mountain Bike – 2025’s most advanced ride yet. With the robust Marzocchi Bomber Z2 fork and TRP Slate Evo 4-piston brakes, it delivers unmatched control on every trail. The Shimano Deore 12-speed drivetrain ensures seamless shifting, while the tubeless-compatible Maxxis Assegai tyres enhance grip for ultimate stability. Built to perform with durable Series 3 aluminium, this bike combines premium features with accessibility.
Key Features and Benefits:
- Marzocchi Bomber Z2 fork (140mm travel): Absorbs shock and delivers precision control on rugged terrain. This results in a smoother and more stable ride, even on challenging trails.
- TRP Slate Evo 4-piston hydraulic brakes: Provides consistent stopping power in wet and dry conditions. You can rely on quick, responsive braking for greater safety.
- Shimano Deore 12-speed drivetrain: Offers a wide range of gears for varied terrain. Enjoy smooth gear shifts for effortless climbing and fast descents.
- Maxxis Assegai tubeless-compatible tyres: Features MAXX TERRA EXO casing for exceptional grip and durability. They improve traction and reduce the risk of punctures.
- FSA Comet crankset with MegaTooth technology: Enhances chain retention and reduces wear. This keeps your ride efficient and maintenance to a minimum.
- X-Fusion dropper post: Enables quick seat height adjustments with up to 200mm travel. Enjoy optimal positioning for uphill climbs and downhill control.
The Marin San Quentin 3 is designed for riders who demand performance, durability, and versatility. Its rugged build and top-tier components let you tackle steep climbs, technical descents, and everything in between with confidence. Engineered for serious trail riders, it blends cutting-edge features with user-friendly handling.
Take your trail experience to the next level with the Marin San Quentin 3. With premium components and robust construction, it's ready to meet your demands on every adventure.
Size - Rider height range
- S: 5'2" to 5'5"
- M: 5'5" to 5'8"
- L: 5'8" to 5'11"
- XL: 5'11" to 6'2"
| 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 |
| 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 |
| Brand | Marin Bikes |
| MPN | 735955001, 735955002 |
Our Payment Options
Online we currently accept payment from the methods listed above including a wide range of finance options. In store we also accept payment in the form of cash and gift vouchers.
Finance Options
In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your bike now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.
D.T.(Automotives) Limited T/A Tweeks Cycles is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 689896. D.T.(Automotives) Limited offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance and Klarna. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.
UK Mainland Delivery Prices
| Delivery Type | Cost | Estimated Delivery Time |
| Standard Delivery for orders under £49.99 | from £1.33 | 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Standard Delivery for orders over £49.99 | Free | |
| Express Delivery | from £1.68 | 1-2 working days from day of despatch(Excludes weekends and Bank Holidays) |
| Special Delivery | from £12.54 | For any next working day delivery order before 4pm Monday to Thursday. For any weekend delivery order before 4pm Friday |
| Click & Collect | from £7.62 | Collect your parcel from a local post office. 2-3 working days from day of despatch(Excludes weekends and Bank Holidays) |
For international shipping please visit our delivery page.
For information about returning an item please visit our returns page.