The Shimano EW-SW310 is a satellite on/off switch for Shimano STEPS e-bike and Di2 systems, letting you place power and control buttons away from the main handlebar cluster for a cleaner cockpit. It connects via the Shimano SD300 (EW-SD300) wiring system.

Fits

  • Shimano STEPS e-MTB systems (EP8 / EP801, EP600) using SD300 wiring
  • Road Di2 cockpits using the SD300 wiring system
  • Pairs with the SW-EM800 switch unit
  • Shares the same frame mounting requirement as the SW-EN300
Covered by Shimano's spare-parts warranty against manufacturing defects. For any warranty claim or support, return the item to Tune Cycles and our team will assist you.
  • Satellite on/off (power) switch for Shimano STEPS and Di2 systems
  • Connects via the Shimano SD300 (EW-SD300) wiring system
  • Pairs with the SW-EM800 switch unit
  • Same frame mounting requirement as the SW-EN300
  • Colour: Black
Part numberEW-SW310
TypeSatellite system on/off (power) switch
Wiring systemSD300 (EW-SD300)
FitsShimano STEPS e-MTB (EP8/EP801, EP600) and Road Di2 cockpits
Pairs withSW-EM800 (same frame requirement as SW-EN300)
ColourBlack
SKU SHM-IEWSW310A
Barcode # 4550170230081
Brand Shimano

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