White glove delivery is our premium service that provides exceptional care and attention for Cervélo bikes. What does white glove delivery include?

• Assemble your Bike: build to your specifications 
• Secure delivery: Items are transported up to 300 miles using dedicated vehicles to your address 
• Delivery Fees and Time: We will confirm delivery fees (up to $250) and date and time.
• Expert handling: Items are unloaded and placed in the desired location   
• Unpacking: Items are unpacked and any excess packaging material is disposed 

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, gravel worthiness and chain retention in mind.

This model will fit on Dura Ace R9100 and Ultegra R8000 series derailleurs. This includes mechanical and Di2 as well as short (SS) and medium (GS) cage lengths.

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

No amount of chain lube or coating can eliminate your rear derailleur's inherent design limitations. The path a chain takes during each revolution requires passing through a chicane of derailleur cage pulleys diminishing your return on each pedal stroke. It's a drag on all geared bikes and why your stock rear derailleur will never perform as efficiently as one with an oversized derailleur cage.