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Specialized Turbo Tero X 4.0

The Specialized Turbo Tero X 4.0 is an electric bike with a 530Wh pack, a 250W nominal motor, a weight of 26.15kg (57 lb, 10.4 oz) and a 29 or 27.5 wheel.

Last updated: 11 November 2026

Motor and performance

Drive unit
Specialized 2.0E

“Specialized 2.0E, 50Nm torque, custom tuned motor, 250W nominal”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Motor make
Specialized

“Specialized 2.0E, 50Nm torque, custom tuned motor, 250W nominal”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Motor
250W nominal

“Specialized 2.0E, 50Nm torque, custom tuned motor, 250W nominal”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Torque
50Nm

“Specialized 2.0E, 50Nm torque, custom tuned motor, 250W nominal”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Battery and charging

Battery
530Wh

“Specialized U2-530, alloy casing, state of charge display, 530Wh”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Battery specification
Specialized U2-530, alloy casing, state of charge display, 530Wh

“Specialized U2-530, alloy casing, state of charge display, 530Wh”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Charger output current
4A

“Custom charger, 42V4A w/ Rosenberger plug, 100-240V”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Brakes and safety

Brakes
Sram G2 RE, E-MTB specific brake, 4-piston caliper, hydraulic, 200mm rotor

“Sram G2 RE, E-MTB specific brake, 4-piston caliper, hydraulic, 200mm rotor”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Frame and components

Fork travel
130mm

“RockShox Recon Silver RL, lockout, 130mm, fender mounts”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Rear shock
RockShox Deluxe Select R

“RockShox Deluxe Select R, rebound adjust, 45x190mm”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Suspension
130/120mm of full suspension

“130/120mm of full suspension. A lock-out equipped RockShox Recon Silver RL fork and a RockShox Deluxe Select R shock provide confidence, comfort, and control”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Tires
Sources disagree
  • Ground Control Grid T7, 2Bliss ready, S: 27.5x2.35, M-XL: 29x2.35

    “Ground Control Grid T7, 2Bliss ready, S: 27.5x2.35, M-XL: 29x2.35”

    Source: specialized.com/us/en/turbo-tero-x-40/p/275182

  • 27.5x2.35, M-XL: 29x2.35

    Row from the maker’s page: “Ground Control Grid T7, 2Bliss ready, S” | “27.5x2.35, M-XL: 29x2.35”

    Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Gearing
12-speed

“SRAM PG-1210 Eagle, 12-speed, 11-50t”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Seat post
150mm, M: 170mm, L/XL: 200mm

Row from the maker’s page: “TranzX dropper, infinite adjustable, two-bolt head, bottom mount cable routing, Handlebar remote, 34.9mm, S” | “150mm, M: 170mm, L/XL: 200mm”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Display
MasterMind TCD

“MasterMind TCD, w/handlebar remote, built-in anti-theft feature, Bluetooth® connectivity, customizable display pages”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Frame material
E5 Aluminum

“E5 Aluminum, full suspension, mullet style for M-XL, bottom bracket motor mount, fully integrated & lockable downtube battery, internal cable routing, lock and front rack mount”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Wheel size
29/27.5

“Specialized 29/27.5, hookless alloy, 30mm inner width, tubeless ready”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Size and fit

Weight
26.15kg (57 lb, 10.4 oz)

“Weight 26.15kg (57 lb, 10.4 oz)”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Bottom bracket height
335mm

Row from the maker’s page: “B-B Height” | “S” | “335mm”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Chainstay length
460mm

Row from the maker’s page: “Chain-Stay Length” | “S” | “460mm”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Stem length
75mm

Row from the maker’s page: “Stem Length” | “S” | “75mm”

Source: specialized.com/us/en/turbo-tero-x-40/p/275182

Sources

  • Turbo Tero X 4.0Archived document

    Source: specialized.com/us/en/turbo-tero-x-40/p/275182

    Retrieved October 11, 2026