Description

accurate front shifts

The Thomson Masterpiece seatpost has a clamp

One piece alloy body design

with both Bluetooth Low Energy and ANT +

thanks to the matching dimensions and complete compatibility with wheels and frames

Shimano SM-JC41 Di2 Internal Junction B Box Groupe accurate front shiftsFor internal DI2 wire routing, SHIMANO's SM JC41 Junction B is the central connector for DI2 systems. Wires from the front and rear derailleurs, cockpit area, and battery all plug into the 4 port SM JC41 junction, which is housed inside the bike frame. Specifications For internal wire routing Mfr Claimed Weight 4. 1g

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

Shimano SM-JC41 Di2 Internal Junction B Box Groupe accurate front shifts

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