SHIMANOUltegra Di2 Internal Routing Junction Box
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SHIMANOUltegra Di2 Internal Routing Junction Box

4.7/5
Product ID: 2424832
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📦Compact Dimensions
⚖️Lightweight at 0.03 lbs
⚙️2x10 Crankset Compatibility

Description

🚴‍♂️ Elevate Your Ride with SHIMANO's Di2 Junction Box!

  • COMPACT DESIGN - Fits effortlessly into your bike's frame.
  • DURABLE WARRANTY - 2-year manufacturer warranty for peace of mind.
  • LIGHT AS A FEATHER - Weighs only 0.03 lbs, enhancing performance.
  • SEAMLESS INTEGRATION - Ditch mechanical tethers for a sleek ride.
  • PRECISION ENGINEERING - Crafted for Shimano Ultegra Di2 components.

The SHIMANOE-Tube Di2 Junction Box is designed for cyclists seeking to upgrade their ride with cutting-edge technology. Compatible with 2x10 cranksets and Shimano Ultegra Di2 components, this junction box offers a compact design, weighing just 0.03 pounds. With a 2-year warranty, it promises durability and reliability for your cycling adventures.

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

R**O

Works good

Wow this thing is so light and tiny! It does it's job, nothing fancy.Good seller...

F**A

Gracias

Gracias

S**E

Five Stars

perfect

F**R

A necessary part for Di2

Not much to say about this junction box. It’s a necessary part for installs. This allows you to easily stuff it in the seat tube or down tube to conceal it. I added foam insulation around the ends to make it quieter inside the tubes.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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£35.22

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Abdullah B.

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

3 weeks ago

Shimanoultegra Di2 Internal Routing Junction Box | Desertcart GB