


SpeedBox 1.4 B.Tuning for Bosch SX
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
SpeedBox 1.4 B.Tuning for Bosch SXSpeedBox 1. 4 B. Tuning for Bosch SX (Smart System + Rim Magnet) Advanced tuning chip for Bosch Performance Line SX motors (BDU3142, BDU3143) with simplified installationno magnet simulator required. Enables unlimited speed (max 35 km h recommended) and connects to the SpeedBox App for real time ride data. Activation via App, WALK function, or + + buttons. Compatible with Bosch Rim Magnet setups and current software versions. Note: Not compatible with
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Your SpeedBox 1.4 B.Tuning for Bosch SX orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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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.
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