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Marins electric assist mountain bikes are for riders who need a boost, either to cover more distance in a shorter amount of time or to go farther or higher than they might be able to accomplish on their own.
Marins electric assist mountain bikes are for riders who need a boost, either to cover more distance in a shorter amount of time or to go farther or higher than they might be able to accomplish on their own.
Marin

Marin Alpine Trail E2 Bosch Electric Full Suspension Mountain Bike 2025 in Charcoal/Black

£6,399.00
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Marin Alpine Trail E2 Bosch Electric Full Suspension Mountain Bike 2025 in Charcoal/Black

Season:2025

Brand:Marin

Code:7375170GRY

Marin's electric-assist mountain bikes are for riders who need a boost, either to cover more distance in a shorter amount of time or to go farther or higher than they might be able to accomplish on their own.

Designed from the ground up around durable Bosch motor and battery units, the New Marin electric mountain bike lineup is the most capable to date.

Moving one step beyond in capability from the Alpine Trail E models, the new Alpine Trial E Bosch eMTBs are constructed with all-new Series 4 aluminium MultiTrac 2 LT frames that feature significant upgrades for riders who challenge themselves with the steepest, most technical terrain, as well as those who require the maximum in range.

They've increased the travel by 10mm at both ends, now standing at 170mm (f) and 160mm (r), and relocated the pivots to the chainstays to deliver the suspension performance and tunability demanded by the longer travel. Riders have the ability to alter the head tube angle by +/- .75° by repositioning the lower headset cup while the bottom bracket height/chainstay length can be changed by the means of seatstay flip chips.

Bosch's Performance Line CX drive units twist out 85Nm of torque and are backed by large capacity 750Wh PowerTube batteries, nestled safely in the frame's downtube, giving you the largest battery in the Marin range for the biggest adventures.

The Alpine Trail E2 (Bosch) lights the wick with a premium Fox suspension pairing and Shimano's XT 12-speed drivetrain, along with our own proprietary CNC 35mm stem and Trail Bar combo.

Key Features & Benefits:

  • Multitrac Suspension:The Alpine Trail E features the same great, proven MultiTrac suspension technology, but optimized for the Shimano STEPS system.
  • Mixed Wheel Sizes:29” front and 27.5”+ rear wheel sizes are the ideal combination for the Alpine Trail E, with larger front wheel easily rolling over most any trail obstacle and offering the best cornering traction, while the burly 27.5” x 2.8” rear setup adds playfulness and enhances acceleration and braking traction.
  • Frame Protection:Chainstays and seatstays are protected with durable rubber guards that minimize noise and protect paint finishes.

Full Specification:

  • Frame:Series 4 Alloy, 160mm MultiTrac Suspension LT, Adjustable Headset & CS Length/Height, Integrated Battery/Charging Port, 148mm Rear Thru-Axle
  • Rear Shock:Fox DHX2, Performance Elite, Low Speed Compression and Rebound Adjustment, 205x65mm, Trunnion Upper Mount, 30mmxM8 Lower Mount, S/M Spring Rate = 350lb, L/XL Spring Rate = 450lb
  • Fork:Fox 38 Performance Elite, 170mm Travel, 29" , 110x15mm Boost Kabolt Thru-Axle, 44mm Offset, Integrated Fox Fender
  • Motor:Bosch Performance Line CX, 85Nm, 20MPH (US, NZ)/25 km/h (Rest of World) Top Assisted Speed
  • Battery:Bosch PowerTube 750 Wh
  • Controller:Bosch BRC3100 Systems Controller
  • Charger:2A Charger
  • Number of Gears:10
  • Gear Shifters:Shimano SLX 12-Speed, I-Spec EV
  • Chainset:e*thirteen e*spec Plus, 160mm Length
  • Chainrings:38T
  • Rear Cassette:Shimano SLX M7100 Cassette, 12-Speed, 10-51T
  • Chain:KMC E12S, E-Bike Specific Chain
  • Rear Derailleur:Shimano XT 12-Speed, SGS
  • Bottom Bracket:N/A
  • Pedals:Not supplied:Shop pedals here
  • Rims:Front: Marin Aluminum Double Wall, 29" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible; Rear: Marin Aluminum Double Wall, 27.5" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible
  • Front Hub:Shimano FH-TC500, 110x15mm, Centerlock, 32H
  • Rear Hub:Shimano HB-TC500, 148x12mm, Centerlock, Standard Freehub Body
  • Front Tyre:Vee Tire Co. Attack HPL, 29x2.5", Top 40 Tubeless Compatible
  • Rear Tyre:Vee Tire Co. Crown Gem, 27.5x2.8”, TACKEE Compound, Tubeless Compatible
  • Brakes:TRP DH-R EVO 4-Piston Hydraulic Disc, 203mm, 2.3mm Thick
  • Handlebars:Marin Trail, 35mm Clamp, 7000 Alloy Bar, 800mm Length, 20mm Rise, 5 Degree Up, 8 Degree Back
  • Handlebar Grips:Marin Grizzly Lock On
  • Stem:Marin CNC, 35mm Length, 35mm Bar Bore
  • Saddle:Marin Speed Concept
  • Seatpost:T
  • Accessories:Cush Core Pro Tire Inserts, Marin Tire Sealant 300ml Bottle, Bosch EB12.110.016; 2A Charger
  • Weight:N/A
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Marin Alpine Trail E

SizeRider height range
S5'3" - 5'6"
M5'6" - 5'10"
L5'10" - 6'2"
XL6'2" - 6'4"

Geometry for Marin Alpine Trail E
Alpine Trail E2 geometry diagram

SMLXL
A - STACK613622631640
B - REACH445465485505
C - HEADTUBE ANGLE63°63°63°63°
D - HEADTUBE LENGTH100110120130
E - SEATTUBE ANGLE78°78°78°78°
F - SEATTUBE LENGTH390400425430
G - TOPTUBE EFFECTIVE575597619641
H - BB HEIGHT340.5340.5340.5340.5
I - BB DROP28282828
J - CHAINSTAY435435435435
K - WHEELBASE1215123912641288
L - STANDOVER HEIGHT681.6681.4686.8689.8
M - FORK OFFSET44444444
SEATPOST DIAMETER30.930.930.930.9
HANDLEBAR WIDTH780780780780
STEM LENGTH50505050
CRANK LENGTH165165165165

Warranty Information for Marin:

Marin Mountain Bikes, Inc. ("Marin") warrants to the original retail purchaser ("you") that the Marin product for which you received this warranty is free from defects in material and workmanship for the periods below

FRAMES WARRANTY PERIOD (From date of purchase)
Carbon Fiber Frames and Forks: 5 Years
Rigid Frames and Forks: Lifetime
Full Suspension Frames: 5 Years
COMPLETE BICYCLE
The complete bicycle is warranted for one year (from date of purchase), including all original parts on the bicycle except tires, tubes, chains and other wear & tear items. Paint and decals are covered under this warranty.
This warranty does NOT cover suspension forks, and rear shocks on full suspension bikes. These items are covered by the suspension component manufacturer’s warranty. Please contact the suspension component manufacturer for any warranty needs.
For full warranty policy please visit marinbikes.com

Technical Information
  • FRAME
    All New, Series 4 Alloy, 160mm MultiTrac Suspension LT, Adjustable Headset & CS Length/Height, Integrated Battery/Charging Port, 148mm Rear Thru-Axle
  • FRONT SUSPENSION
    Fox 38 Performance Elite, 170mm Travel, 29" , 110x15mm Boost Kabolt Thru-Axle, 44mm Offset, Integrated Fox Fender
  • REAR SUSPENSION
    Fox DHX2, Performance Elite, Low Speed Compression and Rebound Adjustment, 205x65mm, Trunnion Upper Mount, 30mmxM8 Lower Mount, S/M Spring Rate = 350lb, L/XL Spring Rate = 450lb
  • RIM
    Front: Marin Aluminum Double Wall, 29" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible; Rear: Marin Aluminum Double Wall, 27.5" Diameter, 32mm Inner Rim Width, Pinned Joint, Disc Specific, Tubeless Compatible
  • HUB REAR
    Shimano HB-TC500, 148x12mm, Centerlock, Standard Freehub Body
  • HUB FRONT
    Shimano FH-TC500, 110x15mm, Centerlock, 32H
  • SPOKES
    14g Black Stainless Steel
  • TIRES
    Vee Tire Co Attack HPL, E-Control Compound, Front 29x2.5", Rear 27.5x2.5"
  • DERAILLEUR REAR
    Shimano XT 12-Speed, SGS
  • DERAILLEUR FRONT
    -
  • SHIFT LEVER
    Shimano SLX 12-Speed, I-Spec EV
  • CRANKSET
    e*thirteen e*spec Plus Cranks, 160mm Length
  • MOTOR
    Bosch Performance Line CX, 85Nm, 20MPH (US, NZ)/25 km/h (Rest of World) Top Assisted Speed
  • CHAIN
    KMC E12S, E-Bike Specific Chain
  • CASSETTE
    Shimano SLX M7100 Cassette, 12-Speed, 10-51T
  • BRAKES FRONT
    TRP DH-R EVO 4-Piston Hydraulic Disc, 203mm, 2.3mm Thick
  • BRAKES REAR
    TRP DH-R EVO 4-Piston Hydraulic Disc, 203mm, 2.3mm Thick
  • BRAKE LEVERS
    TRP DH-R EVO Hydraulic
  • HANDLEBAR
    Marin Trail, 35mm Clamp, 7000 Alloy Bar, 800mm Length, 20mm Rise, 5 Degree Up, 8 Degree Back
  • STEM
    Marin CNC, 35mm Length, 35mm Bar Bore
  • GRIPS
    Marin Grizzly Lock On
  • HEADSET
    FSA Custom Headset, Adjustable HTA Design
  • SEATPOST
    TranzX, YSP39 1x Remote, 34.9 Seatpost Diameter, Travel S = 150mm, M/L = 170mm, XL = 200mm
  • SADDLE
    Marin Speed Concept
  • PEDALS
    -
  • BATTERY
    Bosch PowerTube 750 Wh
  • DISPLAY
    Bosch BRC3100 Systems Controller
  • SWITCH
    Bosch BRC3300 Bluetooth Remote 22.2mm Clamp
  • EXTRAS
    e*thirteen e*Spec Chainguide
  • EXTRAS
    Cush Core Pro Tire Inserts, Marin Tire Sealant 300ml Bottle
  • RANGE, CHARGING TIME
    31-78 miles/50-125km (Based on Rider Weight, Terrain, Climate and Level of Assist Used), 4 Hours (estimated, under ideal conditions)
Sizing Information
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