Cervelo ST31 StemThe ST31 Carbon Stem is compatible with Cervelo's renowned Caledonia 5 and the new R5 and features a clean, sleek design for aerodynamic gains. This stem is designed with the same top tier carbon we've come to be familiar with when it comes to Cervelo, and it offers a super stiff hold and lightweight construction. It fully integrates with Di2 wiring and the faceplate works with Cervelo's BarFly system for easy mounting. A stiff and light aerodynamic

*The 80mm stem doesn't have the cable clip and doesn't have the ability to mount one

The adjustability assures you can see your computer at all times

Size - One Size

Links (links): 110

Night flash 6hrs

Fit system

Internal rim width has been increased to 21mm internal (28

Edge and power pod sold separately

The only way to get the best out of your chain and it’s running efficiency is to make sure it’s regularly and properly cleaned and lubed

Rear Tire Maxxis Dissector / 2

This darkened

Construction - In-Mold Technology