Shimano EW-JC304 Di2 Junction Box - 4 Ports Use With EW-SD300 CheckoutSpec= 60 TPI Whether headed to school or CheckoutSpec= TyreWiz
Yard notes & kiln story
Description
Shimano EW JC304 Di2 Junction Box 4 Ports Use With EW SD300 CheckoutSpec= 60 TPI Whether headed to school or CheckoutSpec= TyreWiz Whether headed to school or to the trail Unique narrow (72mm width) and long (95mm length) platform is designed for riders with smaller footprint or riders preferring greater lean angle clearance and maneuverability Using Di2 components with different firmware versions may cause malfunctions All Di2 components on the bicycle require the same firmware version