HOLLOWcage Oversized Derailleur Pulley Cage for Shimano Ultegra 8150 Elite training tips

training tips

Being over a half-a-pound lighter than the other wheels in its aero category

one zippered

sunblock just adds another ingredient to the recipe for temporary blindness and discomfort

while the traditional bead hook ensures maximum compatibility with all tube-type and tubeless tires on the market

HOLLOWcage Oversized Derailleur Pulley Cage for Shimano Ultegra 8150 Elite training tipsThe absoluteBLACK's HOLLOWcage for Shimano Ultegra 8150 12 speed derailleurs makes the 8150 drivetrain whisper quiet. It features a carbon polymer mono plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. Designed for use with Shimano Ultegra 8150 drivetrains Fits up to a 34t cassette The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the