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    Rail 52021 Trek
    Recommended
    MSRP
    $5,499
    Where to Buy
    —
    $1

    At

    Category
    		Enduro, E-Bike
    Weight
    		51.9 lbs
    5.7
    Frame
    		Aluminum
    		RockShox 35 Gold RL
    		RockShox Deluxe Select+
    Wheels
    		Aluminum
    Wheel Size
    		29″
    		Tektro Hydraulic Disc
    		Bosch 250W 85Nm mid-drive
    		Bosch 500Wh
    		X1, SX Eagle
    Drivetrain
    		1 × 12
    Suspension
    		Full
    Front Travel
    		160mm
    Rear Travel
    		150mm
    Brand Site

    trekbikes.com

    Summary
    		The Trek Rail 5 is a 29″ aluminum frame full suspension enduro e-bike with high-end components.

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    Insights
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Rail 5
    Other Enduro bikes
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    27 mph

    Rail 5

    Highest gear

    (descending)

    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    Rail 52021 Trek
    Frame

    Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel

    Tire Clearance: 2.6"

    Colors: Purple Flip / Trek Black; Matte Olive Grey / Trek Black

    Fork

    RockShox 35 Gold RL, DebonAir spring, Motion Control damper, e-MTB optimised, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160mm travel

    Travel: 160mm

    Spring Type: Air

    Shock

    RockShox Deluxe Select+, 230 mm x 57.5 mm

    Travel: 150mm

    Stem

    Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm length

    Handlebar

    Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width

    Saddle

    Bontrager Arvada, steel rails, 138 mm width

    Seatpost

    Size: S, TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length; Size: M, L, XL, TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length

    Type: Dropper

    Pedals

    VP-536 nylon platform

    Grips

    Bontrager XR Trail Comp, nylon lock-on

    Groupset
    Rear Derailleur

    SRAM SX Eagle

    Crank

    SRAM X1 1000, 34T, 165 mm length

    Shifters

    SRAM SX Eagle single-click, 12-speed

    Cassette

    SRAM PG-1210 Eagle, 11-50, 12-speed

    Chain

    SRAM SX Eagle, 12-speed

    Brakes

    Tektro HD-M745 4-piston hydraulic disc

    Type: Tektro Hydraulic Disc

    Wheels
    Rims

    Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve

    Front Hub

    Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle

    Rear Hub

    Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle

    Tires

    Bontrager XR4 Comp, wire bead, 30 tpi, 29x2.60"

    Disc Rotors

    Tektro, 203 mm, 6-bolt

    Electric Components
    Motor

    Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 25 km/h (15.5 mph) max assist, 32 km/h for New Zealand

    Battery

    Bosch PowerTube, vertical, 500 wh

    Remote

    Bosch Purion

    Charger

    Bosch compact 2A, 100–240V, smart system

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