Shimano GRX RX 815 Series Dealer's Manual page 36

INSTALLATION/REMOVAL
OVERALL WIRING DIAGRAM (built-in battery specifications)
Wiring component parts
Lithium-ion battery (built-in type):
(A)
BT-DN110/BT-DN110-A
(C)
Junction [B]: SM-JC41
(E)
Branch type junction: EW-JC130
Electric wire (EW-SD50-I)
(F)
From built-in battery to junction [B]
(G)
From front derailleur to junction [B]
(H)
From rear derailleur to junction [B]
(I)
From wireless unit to junction [B]
TECH TIPS
• Refer to "About the branch type junction (EW-JC130)" for information on EW-JC130.
• If using EW-WU111, use it in combination with BT-DN110, BT-DN110-A or BM-DN100.
• Refer to the dealer's manual for EW-WU101 for information on wiring when using
EW-WU101 as the wireless unit.
(B)
Junction [A]: SM-EW90-A/SM-EW90-B
(D)
Wireless unit: EW-WU111
(F) + (G) ≤ 1,500 mm
(F) + (H) ≤ 1,700 mm
(I) ≤ 1,400 mm
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