SKU: 67825309556

Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800

Sale price$193.05 Regular price$214.50
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17

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Description

Shimano Oversized Derailleur Cage - GRX 2X and Ultegra RX800Oversized ceramic pulley systems are an excellent way of reducing the additional friction caused by clutch derailleurs. Kolossos is the Greek word for a statue, much larger than the original subject. Seems fitting for an oversized derailleur cage. Imagine the performance of replacing your stock pulleys with a ceramic 12 tooth top pulley and a 19 tooth bottom pulley built on the stiffest cage on the market. Besides reduced friction, this cage is built

Oversized ceramic pulley systems are an excellent way of reducing the additional friction caused by clutch derailleurs.

Kolossos is the Greek word for a statue, much larger than the original subject. Seems fitting for an oversized derailleur cage.

Imagine the performance of replacing your stock pulleys with a ceramic 12-tooth top pulley and a 19-tooth bottom pulley built on the stiffest cage on the market.

Besides reduced friction, this cage is built with shifting accuracy and chain retention in mind. Kogel Bearings has always had a strong connection to off-road disciplines. We wouldn't build it if it weren't gravel proof.

This model is built for the GRX 2X (11 and 12 speed) and Ultegra RX800 series derailleurs. This includes mechanical and Di2.

For GRX 1x set ups, we recommend the GRX 12 speed 1x Kolossos

Please note** Installing this oversized derailleur cage typically requires replacing your chain to accommodate the larger pulleys on. a2x setup.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67825309556

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Ali adnan saeed
Whiting, US
★★★★★ 5
Good quality
Good price, good quality
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Reviewed in the United States on May 16, 2026
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AMP
Lake Worth, US
★★★★★ 5
Perfect for Volvo
This tool was perfect for removing the oil filter of my 2005 Volvo V70. It does what it’s supposed to do and was cheaper than the others. Very satisfied with this purchase.
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Reviewed in the United States on November 11, 2024
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Moozhda Hanif
Natrona Heights, US
★★★★★ 5
Does not work on BMW X3
too small, doesn't fit
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Reviewed in the United States on May 24, 2025
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Shawn D
Lexington, US
★★★★★ 4
Fits 05xc70 oil filter
It’s alright. Does get stuck on the filter housing. Had to pry it off with a pry bar after I was done. But it did work
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Reviewed in the United States on October 20, 2024
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Cga
Grantham, US
★★★★★ 5
Very satisfied
Item is just as described and showed up on time. Works like a charm and I would definitely recommend.
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Reviewed in the United States on November 4, 2024

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