🚴 What is SpeedBox 3.0?
SpeedBox 3.0 is a tuning chip dedicated to electric bikes with Bosch motors (Active Line, Performance, CX, Cargo). The device removes the factory speed limit of 25 km/h, allowing full assistance up to 40-50 km/h.
Compatibility (Bosch Gen 1-4):
- ✅ Bosch Performance Line CX Gen 4 (2020+)
- ✅ Bosch Performance Line CX Gen 3
- ✅ Bosch Active Line Plus
- ✅ Bosch Cargo Line
- ✅ All displays: Purion, Intuvia, Kiox, Nyon, SmartphoneHub
🔗 Check current price of SpeedBox 3.0 Bosch →
🏔️ Bikepark Test - Our Experience
We tested SpeedBox 3.0 in the following locations:
- Tiger Airlines Bike Park (Polanica-Zdrój)
- Kasina Ski Bike Park (Beskid Sądecki)
- Czarna Góra Bike Park (Śnieżnik Massif)
- Słotwiny Arena (Krynica-Zdrój)
- Pumptracks and singletracks (Wrocław area)
Real speed results:
| Terrain | Without SpeedBox | With SpeedBox | Increase |
|---|---|---|---|
| Forest climb (5-8%) | 19-23 km/h | 32-38 km/h | +68% |
| Asphalt road (flat) | 25 km/h | 45-52 km/h | +100% |
| Flow trail (descent) | 35-40 km/h | 40-55 km/h | +30% |
Conclusions:
- Biggest difference on climbs – energy and time savings
- On descents the difference is smaller (gravity does its job)
- Average speed increase: +50-70%
⚙️ Installation - Is it difficult?
Installation time: 20-30 minutes (for someone with mechanical experience)
Tools needed:
- Allen keys (set 4-8 mm)
- Cable ties (included)
- Optional: insulating tape
Step-by-step process:
- Turn off the bike and remove the display from handlebars
- Disconnect display cable from motor (connector at down tube)
- Connect SpeedBox between motor and display (color-coded connectors)
- Mount the chip inside the frame or under display (waterproof IP65)
- Turn on the bike - SpeedBox will activate automatically
⚠️ Warning: If unsure, use professional bike service.
✅ SpeedBox 3.0 Pros
- 🚀 Real speed increase - from 25 km/h to 45+ km/h
- 🔧 Easy installation - Plug & Play, no electronics modification
- 💧 Waterproof IP65 - resistant to rain and mud
- 🔄 Reversible - can be disconnected anytime
- 📱 Easy on/off - WALK button or code
- 🛡️ 24-month warranty - full manufacturer support
❌ SpeedBox 3.0 Cons
- 💰 Price - 699 PLN (competition: 500-900 PLN)
- ⚖️ Legal aspects - illegal on public roads
- 🔋 Higher battery consumption - range may decrease by 15-25%
- ⚠️ Warranty risk - Bosch service may detect chip
💰 Price and where to buy?
SpeedBox 3.0 Bosch costs 699 PLN from official distribution.
🛒 Buy SpeedBox 3.0 Bosch - Free shipping + 24-month warranty →
What's in the box?
- ✅ SpeedBox 3.0 chip
- ✅ Cables with color-coded connectors
- ✅ Cable ties
- ✅ Installation manual (PL + EN)
- ✅ 24-month warranty
⚠️ Important legal information
WARNING: Using an e-bike with removed speed limit on public roads is illegal in Poland and most EU countries.
SpeedBox should only be used:
- On private closed areas
- In bikeparks and MTB centers
- On sports tracks
- Where permitted by regulations
Use on public roads may result in:
- Loss of liability/comprehensive insurance
- Fines and penalty points
- Legal consequences
- Loss of bike warranty
🎯 Summary - Is it worth it?
YES, if:
- ✅ You ride mainly in bikeparks and closed areas
- ✅ You want to climb faster
- ✅ You understand and accept legal aspects
- ✅ You have an e-bike with Bosch Gen 1-4 motor
NO, if:
- ❌ You ride mainly on public roads
- ❌ You care about bike warranty
- ❌ You don't want to risk fines
- ❌ You have no mechanical experience
🛒 Check SpeedBox 3.0 Bosch in our store →
📋 FAQ - Frequently Asked Questions
Is SpeedBox installation difficult?
For someone with bike mechanical experience, installation takes 15-30 minutes. If unsure, we recommend professional bike service.
Will SpeedBox damage my bike?
No, SpeedBox doesn't modify motor software and causes no damage. It only modifies the speed signal.
Can I remove it before warranty service visit?
Yes, SpeedBox can be disconnected anytime. We recommend removing before visits to authorized Bosch service centers.
Does SpeedBox work with Gen 4 motor?
Yes, SpeedBox 3.0 is fully compatible with Bosch Performance Line CX Gen 4 motors.