CeramicSpeed 15267 Coated Bearing - Coated Bearing Race Locks The Zipp G40 XPLR is

The Zipp G40 XPLR is a wide (40mm) tire designed for control

SRAM ferrules for keeping the cable housing aligned

stiffest crankset got even better

- Chamfered inner and outer plates to insure quiet

Manufacturer Part Number: Y1YR13010

CeramicSpeed 15267 Coated Bearing - Coated Bearing Race Locks The Zipp G40 XPLR isCeramicSpeed cartridge bearings with coated race are a premium upgrade option that provide extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. These bearings feature coated races that provide the ultimate performance and longevity. Features Grade 3 Silicon Nitride balls The coated bearing races increase the bearing service life by providing extreme hardness to the race and reducing corrosion