Turbo Tero 4.0 Step-Through EQ
Specialized
Crosscountry
Turbo Tero 4.0 Step-Through EQ is an alloy electric cross-country mountain bike (2023), from Specialized, in the Turbo series. This bike is aimed at riders who prioritize comfort and confidence on longer off-road rides, leaning toward a comfort-leaning position, and is best for smoother trails and efficient rolling. Metric-wise, it stands out for good fit flexibility for dialing in rider position, strong speed potential on smoother terrain, and capable suspension support for rougher terrain. That said, the trade-off to keep in mind is a firmer ride feel than comfort-first options. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Battery
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
E-Bike Components
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 | 1173 mm | 1200 mm | 1226 mm | 1252 mm |
| Bottom Bracket Drop | 57 mm | 57 mm | 57 mm | 57 mm |
| Standover Height | 658 mm | 655 mm | 655 mm | 664 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 |




























































