Skip to content

Free 30-Day Bike Return

Description

MADE FOR FUN

Developed alongside freeride legend Matt Jones, the San Quentin range takes its name from the notorious maximum-security prison in Marin County, California. This hardtail lives up to its tough reputation, blending the strength and style of our Alcatraz dirt jump frame with the agility and capability of a trail-ready bike.

TRAIL-READY SHREDDER

Designed to be rowdy with short stays, long reach and slack 64/77° angles, Incorporating the strength and style of the Alcatraz DJ with a trail-savvy hardtail, creating the perfect mash-up for the modern trail rider.

WHERE IT BEGAN

Marin's roots are tangled with the very beginnings of mountain biking. Founded in Marin County, California, the birthplace of the sport, This rich heritage fuels their passion to this day. Now, Marin pushes those boundaries further with riders like Matt Jones, constantly innovating to redefine what's possible on a mountain bike.

SERIES 3 ALLOY FRAME

Featuring a Series 3 aluminium frame, with tapered head tubes, 3D forged dropouts, ISCG mounts for add-on chain retention devices, internal cable routing and a boost 148mm thru-axle.

MARZOCCHI BOMBER Z2 FORK

The Z2 air fork from Marzocchi is the ultimate pairing with the San Quentin due to its straightforward approach to trail riding and features a lockout, rebound adjustability and 140mm travel

SHIMANO DEORE 1X12 DRIVETRAIN

Delivering a new level of performance, Shimano12-Speed utilises tried and tested mountain bike tech like a built-in clutch and shadow tech and a massive gear range.

4 PISTON BRAKES

Shimano’s MT420 disc brake provides a reliable bite point and quiet braking performance in all conditions thanks to its 4-piston design and 203/180mm rotors.

Components

FRAMESET
FRAME
Series 3 6061 Aluminium, Double Butted Frame, Internal Cable Routing
SUSPENSION
FORK
Marzocchi Bomber Z2, 110x15mm Boost Spacing, 140mm Travel, Kabolt Axle
DRIVETRAIN
REAR DERAILLEUR
Marin Forged Alloy, Alloy 32T Chainring, 104mm BCD
SHIFTER
Shimano Deore SL-7100R, 12-Speed
CRANK
170mm FSA Comet, Modular 1x, 32T Direct Mount Chainring, Megatooth Technology, Boost Spacing
CASSETTE
SunRace, 12-Speed, 11-51T
CHAIN
KMC X-12 Silver and Black
BRAKES
FRONT BRAKE
Shimano BR-MT420 Hydraulic Disc Brakes, 4-Piston Brake Calipers, 203mm Rotor
REAR BRAKE
Shimano BR-MT420 Hydraulic Disc Brakes, 4-Piston Brake Calipers, 180mm Rotor
WHEELS
REAR HUB
Forged Aluminium, 148x12mm, Center Lock Disc, 32H
RIM
Marin Aluminium Double Wall, Disc Specific, 29mm Inner, Sleeved Joint, 32H, Tubeless Compatible
TYRE
Vee Tire Co. Attack HPL, 27.5x2.5” or 29x2.5" Tubeless Compatible
CONTACT POINTS
HANDLEBAR
Marin Mini-Riser, 6061 Double Butted Aluminium, 780mm Width, 28mm Rise, 5° Up, 9° Back
GRIPS
Marin Grizzly Lock On
SADDLE
Marin
SEATPOST
Tranz-X, Size S 125mm Travel, Size M-XL 150mm Travel, 30.9mm
STEM
Marin 3D Forged Alloy, 35mm
PEDALS
Alloy Platform
WEIGHT
BIKE WEIGHT
15.1kg (Size L)

*Specs subject to change based on availability.

Geometry

Frame Size S
(27.5")
M
(27.5")
M
(29")
L
(29")
XL
(29")
Rider Height (cm) 157-165 cm 165-173 cm 165-173 cm 173-178 cm 178-183 cm
(A) Frame stack 623.4 627.9 644 653 657.5
(B) Frame reach 422 450 450 470 500
(C) Head tube angle 64° 64° 64° 64° 64°
(D) Head tube length 110 115 115 125 130
(E) Seat tube angle 77° 77° 77° 77° 77°
(F) Seat tube length 310 340 380 410 420
(G) Effective top tube 565.9 594.9 598.7 620.8 651.8
(H) BB Height 316 316 327 327 327
(I) BB offset (Drop) 50 50 50 50 50
(J) Chainstay length 425 425 425 425 425
(K) Wheelbase 1176 1206.2 1207 1232 1264.6
(L) Standover height 628.1 657
Handlebar Width 780 780 780 780 780
Stem Length 35 35 35 35 35
Crank Length 170 170 170 170 170
Fork Offset 47 47 47 47 47
Seatpost Diameter 30.9 30.9 30.9 30.9 30.9


* All lengths in mm

Assembly

Step 1

How To Unbox Your Bike

Step 2

Dropper Post Install

Step 3

Dial In Your Suspension

Step 4

Dial In Your Bike Fit

Step 5

Dial In Your Tyre Pressures

Step 6

Pre-Ride Check