Kolossos ST Oversized Derailleur Cage - SRAM Transmission - Black - OVERSIZED PULLEY CAGE
Kolossos ST Oversized Derailleur Cage - SRAM Transmission - Gold - OVERSIZED PULLEY CAGE
Kolossos ST Oversized Derailleur Cage - SRAM Transmission - Purple - OVERSIZED PULLEY CAGE
Kolossos ST Oversized Derailleur Cage - SRAM Transmission - Raw - OVERSIZED PULLEY CAGE
25% off

KOLOSSOS ST OVERSIZED DERAILLEUR CAGE

Configure your Kolossos ST Below
Want your color? 150+ Cerakote finishes, hand-applied in our lab. Build yours →
Barcode: 756542465721
$243.74 $324.99
SRAM Speed Kolossos Oversized Derailleur Cage - Previous-gen Red & Force AXS - Black - OVERSIZED PULLEY CAGE

Looking for even more performance? Upgrade to the Speed Kolossos: Kogel Ceramic bearings, further reduced drivetrain friction and longer warranty.

UPGRADE

Black Friday Month: 25% off

25% off full price is already in the price above. No code needed.

Not sure what fits?

Text us your bike and groupset and we'll tell you which one you need.

Text 915 543 1001 Call 915 777 5666

We reply during office hours, Monday to Friday, 8am to 5pm Mountain Time.

Available in 150+ Cerakote colors

Same performance, your colors. Hand-applied in our Cerakote lab.

Build Yours

Have a question about our Aero Kolossos? We love hearing from you and guarantee we’ll call you back within 24 hours.

View details

Upgrade your SRAM T-Type drivetrain with reduced friction, smoother shifts, and 100% power transfer. The Kolossos ST features an 18-tooth lower pulley (up from stock 16T) and maintains the 14-tooth upper pulley for optimized shifting accuracy and chain retention—essential for XC, marathon, and enduro riders.

Equipped with high-quality Kogel ST stainless steel bearings, the Kolossos ST delivers excellent durability and smooth performance at a more accessible price point.

Ground clearance remains similar to stock cage design.

Fitment: Compatible with SRAM T-Type rear derailleurs including GX, X0, XX, and XXSL lines.

ACCESSIBLE PERFORMANCE.

Kolossos ST: Performance Without the Premium

Introducing the Kogel Kolossos ST, the perfect balance of performance and value in an oversized derailleur cage. Designed for riders who want the benefits of reduced drivetrain friction and improved chain stability—without the premium price tag—Kolossos ST delivers smooth, efficient shifting in a sleek, refined package. With a CNC-machined aluminum cage for durability, precision-engineered Kogel ST stainless steel bearings, and an optimized design for modern road and gravel bikes, Kolossos ST is built to perform. Whether you're pushing watts on the road or tackling mixed terrain, this is the upgrade that brings efficiency within reach. Ready to ride faster and smoother?

READ THE BLOG STORY