Turbo Tero 4.0
Specialized
Crosscountry
Turbo Tero 4.0 is an alloy electric cross-country mountain bike (2025), from Specialized, in the Turbo series. It is a strong match for riders who prioritize comfort and confidence on longer off-road rides, with a setup that gives you a comfort-leaning position, with a surface profile that is best for smoother trails and efficient rolling. Its strongest points in the MatchBikes metrics are strong value-for-money versus many similar bikes, good fit flexibility for dialing in rider position, and balanced, versatile speed for everyday riding. If this looks close to what you want, compare this bike on MatchBikes.com against similar models.
6.2
Rating

+6
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Score Summary
Performance
4.8
Value
9.3
Fit
6.6
Performance
Built for speed and efficiency
Speed
6.0
Low
Climbing Efficiency
3.9
All-Rounder
Suspension
5.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
4.7
Comfort
Fit Flexibility
8.0
Adjustable
Ride Comfort
6.4
Balanced
Value
Value for Money
9.3
Exceptional Value
Surface Range
Flow TrailsBattery
Battery
4.6
Regular rides
Specifications
General
Brand
Specialized
Model
Turbo Tero 4.0
Year
2025
Price
$3,465
Weight
23.15 kg
Category
E-bikeMountain
Sub Category
Crosscountry
Groupset
CUES
Frame
Frame
E5 Aluminum, bottom bracket motor mount, fully integrated &lockable downtube battery, internal cable routing, lock and front rack mount, sliding dropout
Suspension Fork
SR SUNTOUR, Sf25-Xcr34X-Boost-Coil-2Cr, 100mm Travel, Crown Od 58mm, 15mm Thru Axle, 29Er, 51mm Offset
Suspension Type
Hardtail
Drivetrain
Shift Levers
Shimano, SL-U4000-9R, CUES, Right, 9-Speed Rapidfire, W/ Optical Gear Display
Rear Derailleur
Shimano, RD-U4000, CUES, Gs 9-Speed, Top Normal, Shadow Design, Direct Attachment
Cassette
Shimano, CS-LG300-9, CUES, 9-Speed, 11-41T
Crank
Custom Alloy Forged Crankarms, Isis, 170mm, Cl 50.73mm, BCD 104mm, 40T
Chain
Shimano LG500
Wheels
Front Hub
Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
Rear Hub
Specialized Alloy Rear Hub Disc, Sealed Cardridge Bearings, 6-Bolt, 12X148mm Thru-Axle, 32H, Hd Steel Fhb
Rims
Stout XC 29, 25mm internal width, disc-specific
Spokes
DT Swiss Industry
Tires
Front: Ground Control, 2Bliss Ready, 29x2.35", Rear: Ground Control, 2Bliss Ready, 29x2.35"
Brakes
Brake Type
Hydraulic Disc
Brake Description
Front: Tektro Gemini Comp, hydraulic disc, resin pad, 200mm, Rear: Tektro Gemini Comp, hydraulic disc, resin pad, 180mm
Cockpit
Stem
Specialized Stealth Stem, alloy, 14 deg, 31.8mm, integrated TCD mount
Handlebar
Specialized Trail, 6061 alloy, 8-degree backsweep, 6-degree upsweep, 27mm rise, 31.8mm clamp, S 720mm, M-XL 750mm
Grips
Specialized Trail Grips
Seat
Saddle
Bridge Sport, Steel rails, 155mm
Seatpost
TranzX Dropper, 30.9mm, S: 100mm, M-XL: 120mm
E-Bike Components
Motor
Specialized 2.0, 70Nm torque, custom tuned motor, 250W nominal
Battery
Specialized U2-710, alloy casing, state of charge display, 710Wh
Charger
Custom charger, 42V4A w/ Rosenberger plug, 100-240V
Range
4.6
Geometry
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.573 mm | 1.528 mm | 1.489 mm | 1.487 mm |
| Bottom Bracket Height | 313 mm | 313 mm | 313 mm | 313 mm |
| Front Center | 709 mm | 736 mm | 761 mm | 787 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 114 mm | 114 mm | 114 mm | 114 mm |
| Stack | 637 mm | 651 mm | 664 mm | 687 mm |
| Reach | 405 mm | 426 mm | 446 mm | 462 mm |
| Top Tube Length | 589 mm | 620 mm | 650 | 680 mm |
| Seat Tube Angle | 73.9 ° | 73.4 ° | 72.9 ° | 72.4 ° |
| Seat Tube Length | 400 mm | 450 mm | 460 mm | 500 mm |
| Head Tube Angle | 66.4 ° | 66.4 ° | 66.4 ° | 66.4 ° |
| Head Tube Length | 135 mm | 150 mm | 165 mm | 190 mm |
| Chainstay Length | 470 mm | 470 mm | 470 mm | 470 mm |
| Wheelbase | 1226 mm | 1252 mm | 1173 mm | 1200 mm |
| Bottom Bracket Drop | 57 mm | 57 mm | 57 mm | 57 mm |
| Standover Height | 773 mm | 807 mm | 807 mm | 835 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































