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Shimano EW-EX310 adapter + EW-SD300 2-port diagnostic cable

-12%
149  -12%
RRP 169 
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From 25.06.2026 (Thursday) Check availability
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Delivery method on Friday 26.06.2026
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The Shimano Di2 Steps SD-300 port CAN adapter allows you to connect Shimano Di2 electronic shifting to e-bikes that use a drive unit from a brand other than Shimano. It provides direct power to the shifting system from the bike's main battery and integration into the Steps wiring system.

  • CAN adapter for Shimano Di2 electronic shifting
  • Allows use with other brands of power units
  • Direct power supply to the shifting system from the e-bike's main battery
  • Port: 2x EW-SD300
  • Designed for Steps cabling system
Product details
Compatibility Shimano Di2 electronic shifting with Steps cabling system
Length not specified
product ID 398490
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WARNING
For information on installation, adjustment and replacement of the products which are not found in user's manual, please consult the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this "user's manual" thoroughly before use, follow it for correct use, and keep it in a safe place for future reference.
The following instructions should always be followed in order to prevent personal injury, damage to equipment or damage to the surroundings. The instructions are classified according to the degree of danger or damage which may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
CAUTION - Failure to follow the instructions could result in personal injury, or physical damage to equipment and surroundings.

WARNING:
- Do not disassemble or modify the product. This may cause the product to not operate correctly, and you may fall unexpectedly and suffer serious injury.

Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.

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