Marin San Quentin 27.5″ 3 2025
Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum
-
Travel Front 140mm
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Fork Marzocchi Bomber Z2
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Groupset SLX, Deore
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Suspension Hardtail
-
Drivetrain 1 × 12
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Brakes TRP Slate EVO Hydraulic Disc
Recommended size guide.
SM
157cm - 167cm
MD
164cm - 174cm
LG
171cm - 182cm
XL
179cm - 188cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Series 3 6061 Aluminum, Double Butted Frame, Internal Cable Routing, 12x148mm Thru-Axle, 73mm Threaded BB
Suspension Fork
Marzocchi Bomber Z2, 110x15mm Boost Spacing, 140mm Travel, Kabolt Axle
Drivetrain
Rear Derailleur
Shimano Deore, 12-Speed, SGS
Front Derailleur
-
Shift Levers
Shimano Deore, 12-Speed, SL-7100R
Cassette
SunRace, 12-Speed, MicroSpline, 10-51T
Crank
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
Pedals
Marin Oso OE Flat
Wheels
Front Hub
Shimano HB-TC500, 110x15mm
Rear Hub
Shimano FH-TC500, 148x12, MicroSpline Freehub Body, Centerlock Disc, 32H
Rims
Marin Aluminum Double Wall, Disc Specific, 29mm Inner, Sleeved Joint, 32H, Tubeless Compatible
Tires
Maxxis Assegai, 27.5x2.5" MAXX TERRA, EXO Casing, Tubeless Compatible
Brakes
Brakes
TRP Slate EVO 4-Piston Hydraulic, Resin Pads, 203mm Rotor
Brake Levers
TRP Slate EVO, I-Spec EV Compatible
Cockpit
Stem
Marin 3D Forged Alloy, 35mm
Handlebar
Marin Mini-Riser, 6061 Double Butted Aluminum, 780mm Width, 28mm Rise, 5º Up, 9º Back
Grips
Marin Grizzly Lock On
Headset
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
Seat
Saddle
Marin Speed Concept
Seatpost
TranzX YSP23JL, 1x Remote, Size S 125mm Travel, Size M 150mm, L 170mm Travel, and Size XL 200mm Travel, 30.9mm
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.464 mm | 1.383 mm | 1.344 mm | 1.272 mm |
| Bottom Bracket Height | 316 mm | 316 mm | 316 mm | 316 mm |
| Front Center | 753 mm | 783 mm | 808 mm | 840 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm |
| Trail | 121 mm | 121 mm | 121 mm | 121 mm |
| Stack | 618 mm | 622.5 mm | 631.5 mm | 636 mm |
| Reach | 422 mm | 450 mm | 470 mm | 500 mm |
| Top Tube Length | 564.7 mm | 593.7 mm | 615.8 mm | 646.8 mm |
| Seat Tube Angle | 77 ° | 77 ° | 77 ° | 77 ° |
| Seat Tube Length | 310 mm | 340 mm | 375 mm | 414 mm |
| Head Tube Angle | 64 ° | 64 ° | 64 ° | 64 ° |
| Head Tube Length | 110 mm | 115 mm | 125 mm | 130 mm |
| Chainstay Length | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1173 mm | 1203 mm | 1228 mm | 1260 mm |
| Bottom Bracket Drop | 50 mm | 50 mm | 50 mm | 50 mm |
| Standover Height | 627 mm | 656 mm | 664 mm | 681 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 157 cm | 164 cm | 171 cm | 179 cm |
| Rider Max Height | 167 cm | 174 cm | 182 cm | 188 cm |
