Shimano EW-JC304 DI2 Internal 4-Port Junction for EW-SD300 Brand_Funn Aerothan tubes may be returned

Aerothan tubes may be returned to us via the tube recycling programme

9mm Weight： [HL-EL135] 94 g (with bracket and batteries)

Spindle Material: Chromoly

BODY MATERIAL  One piece composite

Sizing - 19 sizes (36-50) with 5mm increments across the entire range for a more simplified sizing system

Shimano EW-JC304 DI2 Internal 4-Port Junction for EW-SD300 Brand_Funn Aerothan tubes may be returnedInternal 4 Port Junction for EW SD300 EW JC304 SHIMANO E TUBE 4 Port Junction Internal 4 Port Junction for EW SD300 FEATURES Updated with new electric wire SD300 PRODUCT SPECIFICATIONS MODEL NO EW JC304 SERIES EP8 EP800 Series Type 4 ports junction SD50 port (pcs) 0 SD300 port (pcs) 4 SD50 connector (pcs) 0 SD300 connector (pcs) 0