Ultegra RD-8050 Di2 Rear Derailleur

Sale price $385.00 CAD

GS Out of Stock Sold Out
SS Inventory Warning Low Stock

In Stock In Stock - In stock in our warehouse.
Note: Most in stock items will be available for pickup within 48 hours.
Inventory Warning Low Stock - Very few left in stock.
Out of Stock Sold Out - Cannot be ordered at this time.

We have built our business on providing our customers with premium and exclusive cycling products that will set them apart from the rest of the field.

A large part of this business involves us special ordering components for our customers. If you are looking for something that you don't see on the website, please contact us as we are always excited to help you find what you are looking for.

In the meantime, we have marked a number of products on our website as 'Special Order'. These are products that we don't currently have in stock but are confident that we can get within the time frame indicated on the special order button. If you order one of these products and we are unable to get it, we will reach out to you immediately. If you are looking for reassurances on time frames before you order, please don't hesitate to reach out to us.

There’s nothing worse than a bad bike fit, except maybe an ill-fitting kit. More on that later…

Look, we get it, buying a bike online can be a hassle and we want to make it easy for you. Which is why we guarantee your bike will fit you straight out of the box when you purchase with our Virtual Bike Fit program.

All bikes purchased after a Virtual Bike Fit are guaranteed to fit.

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Trainer Bikes and Sale Bicycles*




*Multiple items in each category incur a charge per item.
**Oversized items include wheels, trainers, work stands, car racks, and various other items.

Please note: Trainer Bikes are shipped and delivered on a pallet.

Full shipping & return details here.

The Shimano Ultegra Di2 R8050 11-Speed Rear Mech will aid you in maintaining race-pace and concentration via smooth and crisp shift control.

Updated with the new low-profile design of Shimano's innovative Shadow RD technology to increase shift stability, this rear mech now has sleek and integrated aesthetics that help reduce crash damage.


1 -The optimised slant angle of this Ultegra Di2 R8050 11-Speed Rear Mechpromisesrace endurance

2 - Updated with a Shimano Shadow RD design, the Shimano Ultegra 8050 Di2 rear derailleur offers a sleek appearance and optimized shifting performance

3 - The RD-8050 Di2 offers the digital precision of Shimano electronic shifting and synchronized shifting.


Weight: 247g (GS) 240g (SS)

Max Front Difference: 16T

Shadow GS covers 11-28T to 11-34T

Shadow SS covers 11-25T to 11-30T

Speed: 11 Speed