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Marin Fairfax E ST

Marin Fairfax E ST
  • Color: Gloss Dark Blue / Charcoal / Light Green
Color: Gloss Dark Blue / Charcoal / Light Green
Size: Select size
Please select options Unavailable


Our critically acclaimed and best-selling Fairfax has gone electric. The all-new Fairfax E brings the power to scoot you along with 40Nm of torque from the rear hub, quietly and seamlessly adding a boost to your pedaling. The 340Wh battery is cleanly integrated into the Series 2 aluminum frame's downtube, while a Shimano 8-speed Altus drivetrain provides plenty of gearing range. Finally, hydraulic disc brakes from Tektro allow for controlled and comfortable stopping power in all conditions.


- Series 2 Frame
The Series 2 e-bike fitness frame features 6061 aluminum tubing with an internal battery and internal cable routing, forged dropouts with rack and fender mounts, and an integrated kickstand mount

- Electric Drivetrain
The Bafang rear hub motor provides 40Nm of torque in a compact and tidy package and delivers top assisted speeds of 20mph, 32km/h (North America), and 25km/h for the rest of the world. Five levels of assistance, accessed via a handlebar-mounted controller, means that riders can quickly dial in the level of assistance that best meets their needs and riding style. The controller also doubles as a display, showing speed, battery charge state, and assist level selected. The Bafang Go app supports real-time access to ride data, real-time access to human health data such as heartbeat and calorie data, and access to navigation steering and traffic tips.

- Internal Battery
The 340Wh in-tube battery is neatly integrated into the Fairfax E's downtube, protecting and giving the bike a sleeker look. The charging port is easily accessible, under a weather-resistant cover.

- Hydraulic disc Brakes
Hydraulic disc brakes provide smooth, controlled stopping in all conditions with minimal maintenance.

- Step Through Design
The Fairfax E ST features a step-through frame design with a lowered top tube for easier mounting and dismounting.

- Shimano Drivetrain
Shimano's stalwart Altus 8-speed drivetrain smoothly and reliably glides between the gearing.

Geometry Chart

A - STACK (mm) 557 571 590 609
B - REACH (mm) 385 400 420 440
C - HEAD TUBE ANGLE 70.5° 70.5° 70.5° 70.5°
D - HEAD TUBE LENGTH (mm) 140 155 175 195
E - SEAT TUBE ANGLE 73.5° 73.5° 73.5° 73.5°
F - SEAT TUBE LENGTH (mm) 380 430 480 520
G - TOP TUBE EFFECTIVE (mm) 550 569 595 620
H - BB HEIGHT (mm) 283.5 283.5 283.5 283.5
I - BB DROP (mm) 70 70 70 70
J - CHAIN STAY (mm) 445 445 445 445
K - WHEEL BASE (mm) 1050 1070 1097 1123
L - STAND OVER HEIGHT (mm) 497 498 498 498
M - FORK OFFSET (mm) 50 50 50 50
SEATPOST DIAMETER (mm) 27.2 27.2 27.2 27.2
HANDLEBAR WIDTH (mm) 640 640 680 680
STEM LENGTH (mm) 70 70 70 70
CRANK LENGTH (mm) 170 170 170 170
Frame SizeRider Height (cm)Rider Height (in)
X-Small 150 - 156 4'11" - 5'1
Small 156 - 165 5'1" - 5'5"
Medium 165 - 176 5'5" - 5'9"
Large 176 - 185 5'9" - 6'1"


Frame Series 2 Fitness, E-Bike Specific, 6061 Aluminum, 700c Wheels, Disc Specific, Fitness Geometry, Step-Thru Top Tube, Kickstand Mount, Fender and Rack Mounts
Fork 6061 Aluminum, Straight-Blade, Disc Mount, Fender and Rack Eyelets
Rims Marin Aluminum Double Wall, Disc Specific
Hubs Front: Forged Aluminum Alloy, 32H
Rear: Bafang 250 Watt Hub Motor, 36H, North America Class 1 (20mph, 32km/h), and 16mph, 25km/h for the rest of the world
Spokes 14g Stainless Steel
Tires Vee Tire, City Cruz, 700Cx40mm, Puncture Protection, Reflective Sidewall, Wire Bead
Bottom Bracket Integrated Torque Sensing, Sealed Cartridge Bearings, Square Taper
Crankset Alloy Crank, Steel 42T Chainring, Ring Guard
Shifters Shimano Altus 8-Speed RapidFire
Rear Derailleur Shimano Acera, 8-Speed, Wide Range
Cassette/Freewheel Shimano HG-400, 8-Speed, 11-40T
Chain KMC X8
Brakes Tektro HDM-275 Hydraulic Disc
Rotors 160mm Rotor
Brake Levers Tektro Hydraulic
Handlebars Marin Alloy Flat
Tape/Grips Marin County
Stem Marin Alloy
Headset FSA, Orbit CE No.8B
Seatpost Marin Alloy, 27.2mm
Saddle Marin Fitness
Pedals Marin Oso OEM Nylon Platform
Accessories & Extras Alloy Rear-Mount Kickstand
Battery Bafang 360Wh, 36V, In-tube
Controller/Display Bafang Handlebar Mount LED Switch & Display

* Subject to change without notice.

Part Numbers

Option UPC MPN Store SKU
Gloss Dark Blue / Charcoal / Light Green / X-Small 843346125163 737556001 210000104278
Gloss Dark Blue / Charcoal / Light Green / Small 843346125149 737556002 210000104279
Gloss Dark Blue / Charcoal / Light Green / Medium 843346125101 737556003 210000104281
Gloss Dark Blue / Charcoal / Light Green / Large 843346125125 737556004 210000104282