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Shimano Dura Ace R9100 and Ultegra R8000 Oversized Derailleur Cage - Custom

OVERSIZED PULLEY CAGE
Kogel Bearings
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Get the perfect color scheme for your Shimano Dura Ace R9100 and Ultegra R8000 series derailleurs. (This includes mechanical and Di2 as well as short (SS) and medium (GS) cage lengths.)

What Kolossos Does for You

First, imagine the performance or replacing your 12-tooth pulleys with a 19-tooth bottom and a 14- tooth top pulley built on the stiffest cage on the market.

Besides reduced friction, this cage is built with shifting accuracy and chain retention in mind. Also, oversized pulley systems are an excellent way of reducing the additional friction caused by clutch derailleurs.

Cycling Passion + Your Style

Now, are you ready to take your bike's personalization to the next level? 

Choose your favorite colors for every component of your Kolossos oversized derailleur cage using our customizer.

Select colors for pulley wheels, assembly screws, stop pin, front & back cages and pulley covers.

We don't want to limit your imagination so dream big.

Please Note: 

- For the best customizer experience, please select your options from top to bottom. After that you can go back and change it up as much as you want.

- Please allow three business days to build and ship your custom Kolossos

Shipping

We know you can’t wait to get your hands on your new upgrades so we try to keep you waiting as little as possible. To do this we aim to keep as much of the “regulars” in stock, allowing us to ship your order to you and have you riding again as soon as possible.

Unfortunately, we are not always able to keep every item in the catalogue in stock. In such a case, if you are in need of a particular item which we do not have in stock, please contact us and we can order them specially for you. ***Please note that special orders may incur an additional delivery fee.***

The lead times on these special orders, custom products or items that are out of stock will be slightly longer. However, we will always endeavor to have these items landed in our warehouse and shipped off to you as soon as we can.

Kogel’s “Guaranteed Performance” Warranty

  • Kogel Bearings takes pride in delivering a best-in-industry warranty. Their 2-year warranty means you can feel confident and secure about your next two seasons of riding.
  • If a product fails in the first year, it will be replaced. The second year will require an annual bearing service.
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