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Specialized Turbo Levo 4 Alloy vs Trek Rail+ 5: two full-power electric mountain bikes at $4,999.99

Turbo Levo 4 Alloy vs Rail+ 5 Gen 5, both $4,999.99: Specialized's 3.1 motor with 105 Nm and 840 Wh against Trek's Bosch drive with 85-120 Nm and 800 Wh, suspension travel and weight.

eBikeTrusted Research · Updated 24 October 2026

Specialized's Turbo Levo and Trek's Rail+ are the two full-power electric mountain bikes most riders shortlist, and their entry models cost exactly the same: $4,999.99 at each brand's US store. Both are full-suspension trail bikes with a battery of 800 Wh or more. The choice comes down to the drive system and how each brand spends the money on suspension.

The short answer

The Turbo Levo 4 Alloy has the slightly bigger battery (840 Wh against 800 Wh) and Specialized publishes a clear figure for its own motor: 810 W and 105 Nm. The Rail+ 5 Gen 5 runs a Bosch drive that Trek states at 85 to 120 Nm, with 160 mm of travel at both ends and mixed wheel sizes. Riders who want a Bosch drive and stated travel of 160 mm at both ends lean to the Trek; riders who want Specialized's own motor, the bigger battery and a published weight of 26 kg lean to the Levo.

Specifications side by side

Specialized Turbo Levo 4 Alloy Specialized Turbo Levo 4 Alloy Specialized Trek Rail+ 5 Gen 5 Trek Rail+ 5 Gen 5 Trek
Price at the brand's store$4,999.99 (United States)$4,999.99 (United States)
TypeElectric mountain bikeElectric mountain bike
Motor810 W–
Motor positionMid-driveMid-drive
Torque105 Nm120 Nm
Battery840 Wh800 Wh
Range per charge (stated)––
Top speed––
Weight57 lb (26 kg)–
Maximum load (stated)––
US e-bike class––
SuspensionFullFull
Water protection––
Safety certification (stated)––

Figures as each brand states them on its own store or product page. Specialized Turbo Levo 4 Alloy · Trek Rail+ 5 Gen 5: full specifications, every market's price and where to buy.

Motor and battery

Specialized designs its own drive for the Levo: the 3.1 motor, stated at 105 Nm of torque and 810 W, with an 840 Wh battery. Trek uses Bosch for the Rail+, and states 85 to 120 Nm across the family with an 800 Wh battery. Torque figures are measured differently from one maker to another, so the numbers are a guide rather than a ranking; the way each motor delivers its power on a steep, technical climb is best judged on a test ride.

Suspension and wheels

At this price Specialized uses Marzocchi suspension: a 29-inch Bomber Z1 fork with 160 mm of travel and a Bomber Inline rear shock. Trek gives the Rail+ 160 mm of travel front and rear on mixed wheel sizes, which Trek calls MX. Specialized states a weight of 26.0 kg (57 lb) for the Turbo Levo 4 Alloy; Trek's page for the Rail+ 5 does not state a weight.

The next model up

Both families climb steeply in price. The Rail+ 8 Gen 5 is $5,999.99; the Turbo Levo 4 Comp Alloy, with Fox suspension, is $6,799.99, and the carbon Turbo Levo 4 Comp $7,999.99. On the Levo the extra money for the Comp models buys suspension and parts rather than a stronger motor: they keep the same stated 810 W and 105 Nm. Only the S-Works models move to an 850 W, 111 Nm version of the motor.

Which to choose

  • Choose the Specialized Turbo Levo 4 Alloy for the bigger 840 Wh battery, Specialized's own motor with published power and torque, and a stated weight of 26 kg.
  • Choose the Trek Rail+ 5 Gen 5 for a Bosch drive, 160 mm of travel at both ends and mixed wheels for steep trails.

Questions

Which has the bigger battery, the Turbo Levo 4 or the Rail+?

Specialized fits an 840 Wh battery to the Turbo Levo 4 Alloy; Trek fits 800 Wh to the Rail+ 5 Gen 5.

Which motor is stronger?

Specialized states 105 Nm and 810 W for its 3.1 motor. Trek states 85 to 120 Nm for the Bosch drive across the Rail+ family. Torque figures from different makers are not measured the same way, so ride both on a climb if you can.