Trek RSL Aero Bottle and Cage Kit Black/Smoke Fischer Kids while the discreet toe stud

while the discreet toe stud and removable double heel-stud provide purchase when off the bike

2nd Contrast fabric Polyester 100%

contrast fabric: polyester 86%

SHELL: BOA® Fit System

Trek RSL Aero Bottle and Cage Kit Black/Smoke Fischer Kids while the discreet toe studThe Trek RSL Aero Water Bottle and Cage is designed for the Madone Gen 8 and proven to make your race bike even from other top brands faster. The system is UCI compliant and the cage also holds round bottles making it the ultimate hydration system for your bike. Features: Tested 1. 8 watts faster at 22 mph on the Madone Gen 8 compared to standard round bottles Tested faster on other race bikes in our aerodynamic modeling system RSL Aero Bottle Cage