★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
SpeedBox 1.2 for Shimano variant + E-Tube port
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
SpeedBox 1.2 for Shimano variant + E-Tube portSpeedBox 1. 2 for Shimano (E8000, E7000, E6100, E5000) variant + E Tube port From the ground up redesigned tuning chip for your e bike with a Shimano motor with a new design and completely new hardware and firmware. The tuning chip SpeedBox 1. 2 enables you to suppress the speed limiter on your electric bike. When in use, the actual speed will appear on your display up to 23 km h. If you want to see correct speed and all riding data during your ride,
Quick Dispatch:
Your SpeedBox 1.2 for Shimano variant + E-Tube port orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your SpeedBox 1.2 for Shimano variant + E-Tube port ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.7 ★★★★★
Based on 600 reviews
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Product Reviews
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
