SHIMANO Ultegra Di2 Internal Routing Junction Box
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SHIMANO Ultegra Di2 Internal Routing Junction Box

4.7/5
Product ID: 178261158
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Description

SHIMANO Ultegra Di2 Internal Routing Junction Box

Specifications

Item Package Dimensions L x W x H4.4 x 2.2 x 1.3 inches
Package Weight13.61 g
Item Dimensions LxWxH3 x 4 x 2 inches
Brand NameSHIMANO
ColorOne Color
Number of Items1
ManufacturerShimano
Part NumberSH4255
Model Year2012
SizeInternal/SM-JC41
Sport TypeCycling

Reviews

4.7

All from verified purchases

C**S

expensive but functional

It is an expensive item for its size but essential to install Di2

H**X

Internal wiring junction box - picture is wrong

If you are going to run your Di2 cables inside the frame tues, this is the part you want. The picture is of the external mount box, but the internal box is the one I received. Just remove your crank, plug in your 4 wires, tuck this back into the frame tube, reinstall the protector sleeve and crank and you are all set. A very clean install of shifting perfection!!

C**L

Works fine

I decided to build my new road bike with Di2 electronics. I didn't want to drop $1,500 at one time on the kit so I bought one component at a time. It all came together nicely and all components work fine. I highly recommend this product.

T**K

Genuine Shimano

Works great

F**A

Gracias

Gracias

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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£77.26

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Shimano Ultegra Di2 Internal Routing Junction Box | Desertcart GB