Shimano XTR & XT Oversized Derailleur Cage - Custom


Checkout with a red cage and (or) pulley wheels, and we'll refund you $100. Offer valid until 2/15/2024

Customize your XTR and XT Kolossos colors the way you like.

Shimano mountain bike riders rejoice! Now you can get the perfect color scheme for your oversized derailleur cage AND enjoy the supreme shifting and performance of Kolossos with your Shimano 12-speed XTR and XT rear derailleur

Enjoy the super-smooth, accurate shifting with less friction and chain drag on your rear derailleur in a color scheme that matches your riding style!

About our Kolossos Oversized Derailleur Cage

Kolossos is the Greek word for a statue, much larger than the original subject. Sounds appropriate for replacing your 13-tooth stock pulleys with a 18-tooth narrow-wide bottom and a 14-tooth top pulley, built on our stiffest Kolossos cage yet.

Kolossos cages are built for reduced friction with shifting accuracy and chain retention in mind; something near and dear to all XC, marathon and enduro riders.

Ground clearance is not a concern as overall length is within 2mm of your stock cage, but doesn't hang lower. And, your Kolossos ships with our road seals for the best efficiency, but can always be swapped to cross seals for wet riding environments.


Our Shimano XTR & XT Kolossos only fits Shimano XTR and XT 12-speed rear derailleurs. This cage does not fit Shimano 2x10 derailleurs

Please Note:

- Installing this oversized derailleur cage may require replacing your chain to accommodate the larger pulleys. 

**Kolossos is a component upgrade for your existing rear derailleur. Derailleur not included**