Reviews Di2 Integration- BestItemr.com

Shimano EW-JC130SS Di2 E-Tube Wire, Y-Split, 50/520/520mm

Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount.
All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions.

All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions.

Out-front Bike Mount Position: BF4 MINI holds your computer out front and center on your bike for optimal viewing and aerodynamics. In addition, the bike mount will hold a light or camera compatible with a GoPro base, and a Di2 / EPS Junction Box.
Computer & Camera Compatibility: BF4 MINI includes replaceable heads for Garmin, Wahoo, Bryton, Cateye, Polar and Joule computers. The GoPro base (3-fins) can hold a GoPro camera or any camera or light with a GoPro (2-fins) adapter.
Handlebar & Light Compatibility: BF4 MINI is compatible with 35mm diameter bars.
with a shim for 31.8mm. 12mm of clamping space on the left side of stem is needed. Universal Light Mount will hold a small flashlight up to 1” diameter with silicone bands.
Durable Construction – BF4 MINI mount is created from advanced injection moulded co-polymer. It is strong enough to keep your electronics where you want them on your bicycle no matter how bumpy the road.
Included in the Box: BF 4 MINI comes with 7 Computer heads for your bike: Garmin, Polar, Wahoo, Mio, Joule, Cateye, Bryton, GoPro Base, Universal Light Mount, shim for 31.8 handlebars and Di2/EPS mount.

Clean up your cockpit – 4 PRIME bike mount mounts your computer, camera, light, or Di2/EPS junction box out-front and center using minimal handlebar space.
Computer & Camera Compatibility: BF 4 Prime replaceable heads for Garmin, Wahoo, Bryton, Cateye, Polar, Mio and Joule computers. GoPro base (3-fins) will hold a GoPro camera, or any other camera or light with a GoPro (2-fins) adapter.
Handlebar & Light Compatibility: 4 Prime is compatible with 35mm diameter bars & includes a shim for 31.8mm. 12mm round clamping space on the left side of stem is needed. Universal Light Mount can hold a flashlight up to 1” diameter using silicone bands.
Durable Construction – BF 4 Prime is CNC machined from extruded 7075 aluminum. This aluminum mount is strong enough to keep your electronics where you want them with minimal vibration, no matter how bumpy the road.
Included in the Box: 4 PRIME computer mount comes with 7 Computer heads: Garmin, Polar, Wahoo, Mio, Joule, Cateye, Bryton, GoPro Base, Universal Light Mount, shim for 31.8 handlebars and Di2/EPS mount.

Clean up your cockpit: 4 MAX out-front mount mounts up to 3 accessories (computer, camera or light and Di2/EPS junction box), out-front and center using minimal handlebar space. Compatible with large computers like Garmin 1000 series and Wahoo Elemnt/Roam.
Computer & Camera Compatibility: BF 4 Max bike mount includes replaceable heads for Garmin, Wahoo, Bryton, Cateye, Polar, Mio, Joule computers. GoPro base (3-fins) holds a GoPro camera or any camera or light with a GoPro (2-fins) adapter.
Handlebar & Light Compatibility: BF4 MAX works with 35mm diameter bars and includes a shim for 31.8mm. A 12mm round clamping space on the left side of the stem is needed. Universal Light Mount can hold a flashlight of 1” diameter with silicone bands.
Durable Construction – BF4 MAX out-front bike mount is created from advanced injection moulded co-polymer. This computer mount is strong enough to keep your electronics where you want them no matter how bumpy the road.
Included in the Box: BF 4 MAX comes with 7 Computer heads: Garmin, Polar, Wahoo, Mio, Joule, Cateye, Bryton, GoPro mount Base, Universal Light Mount, shim for 31.8 handlebars and Di2/EPS mount (optional Lezyne head available.