Marin San Quentin 29" 2

2025 MountainTrail Manufacturer page

Marin San Quentin 29" 2, color Gloss Blue / Black/teal

Last known price: $1,399

Prices shown first for United States
Fork travel: 140 mm
Wheels: 29″
Drivetrain: 1 × 11 32t / 11–51t
Gear range: 464%
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 157.5–167
MD 164–174
LG 171–182
XL 179–188

Components

19 of 22 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Series 3 6061 Aluminum, Double Butted, Internal Cable Routing, 12x148mm Thru-Axle, 73mm Threaded BB Not identified

Suspension

1 part

Fork
- X-Fusion

Drivetrain

7 parts

Bottom bracket

External Sealed Cartridge Bearing Not identified
Cassette
- Shimano Deore CS-M5100-11 11 speeds 11–51t
CS-M5100-11CS-5100-11
Chain
- Shimano CN-LG500
CN-LG500
Crankset
- Marin 32t
Front derailleur

None
Rear derailleur
- Shimano Deore
Shifters
- Shimano Deore SL-M5100-R 11 speeds
SL-M5100SL-5100R

Brakes

2 parts

Brake levers
- Tektro HD-M535
HD-M535
Brakes
- Tektro HD-M535
HD-M535

Wheels and tires

5 parts

Front hub
- Shimano HB-MT410-B
HB-MT410HF-MT410B
Rear hub
- Shimano FH-MT400-B
FH-MT400HF-MT400B
Rims
- Marin
Spokes

14g Black Stainless Steel Not identified
Tires
- Vee Tire

Cockpit and contact points

7 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 450mm

Stack 636mm

Wheelbase 1212mm

Head angle 64.0°

Seat angle 77.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	422	450	470	500
Stackmm	632	636	645	650
Top tube lengthmm	568	596	619	650
Seat tube lengthmm	330	380	410	420
Head tube lengthmm	115	120	125	130
Head tube angle	64°	64°	64°	64°
Seat tube angle	77°	77°	77°	77°
Chainstay lengthmm	430	430	430	430
Wheelbasemm	1182	1212	1236	1268
Front centermm	757	787	810	842
Bottom bracket dropmm	50	50	50	50
Bottom bracket heightmm	327	327	327	327
Standover heightmm	650	683	688	695
Fork rakemm	44	44	44	44
Trailmm	134	134	134	135
Stack/reach ratio	1.50	1.41	1.37	1.30
Suspension and parts
Crank lengthmm	170	170	170	170
Handlebar widthmm	780	780	780	780
Stem lengthmm	35	35	35	35

Not published by the manufacturer: Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 140 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 51
Lowest gear: 18.2 in
Highest gear: 84.4 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire width: 2.6″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,808 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

18.2 gear inches

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,382 bicycles with this information
Coverage: 74.5% of the class

Highest gear

84.4 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,382 bicycles with this information
Coverage: 74.5% of the class

Shifting

Mechanical

387 of 1,847 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,847 bicycles with this information
Coverage: 99.6% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.0 km/h
Highest gear: 32.3 km/h

Total gear range 464%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 18.2–84.4 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2025
Lowest gear: 1382 bicycles with this information, 74.5% of the class
Highest gear: 1382 bicycles with this information, 74.5% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2025 builds
Specification	This bicycle Marin San Quentin 29" 2	Marin San Quentin 1	Marin San Quentin 20"	Marin San Quentin 2	Marin San Quentin 24"	Marin San Quentin 27.5" 2
Suspension
Front travel	140 mm	130 mm	80 mm	140 mm	100 mm	140 mm
Drivetrain
Smallest chainring	32	32	30	32	30	32
Largest chainring	32	32	30	32	30	32
Rear sprockets	11	9	8	11	9	11
Largest sprocket	51	46	38	50	46	51
Lowest gear	18.2 in	20.2 in	15.8 in	17.6 in	15.7 in	17.3 in
Highest gear	84.4 in	84.4 in	54.6 in	80.0 in	65.5 in	80.0 in
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost	Rigid seatpost	Dropper seatpost
Other specifications
Bottom bracket standard	BSA	BSA	Not informed	BSA	Not informed	BSA
Fork spring	Air	Coil	Air	Air	Air	Coil
Tire width	2.6″	2.6″	2.6″	2.5″	2.4″	2.6″
Wheel size	29″	27.5″ / 29″	20″	27.5″	24″	27.5″