Ceramic Speed OSPW X Pulley Wheel System - For SRAM Eagle T-Type AXS Rear Derailleur BLK Cage Silver Pulley Wheels MPFN-PB3HRN year/model Deluxe ThruAktiv (A1-B1) Trek

year/model Deluxe ThruAktiv (A1-B1) Trek Mount description eyelet assembly

Replacement for OEM thru-axles

for riders who prefer an upright position in the saddle

2mm 50mm 400 Black A1

Alloy hub shell

Ceramic Speed OSPW X Pulley Wheel System - For SRAM Eagle T-Type AXS Rear Derailleur BLK Cage Silver Pulley Wheels MPFN-PB3HRN year/model Deluxe ThruAktiv (A1-B1) TrekProven to be the fastest pulley system, chosen by many of the worlds leading cycling teams and professional triathletes Optimized tooth designs offer 3 5 times longer life than standard OE pulleys Standard: low drag with hardened steel races and ceramic ball bearings Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion In the box: complete upper and lower OSPW system,