Zipp Service Course SL Stem +/-17 Size:80mm or any situation where you

or any situation where you need a fast

They fit under a short-sleeve jersey seamlessly and can be stuffed into a rear pocket if the temperature climbs mid-ride

ensuring smooth front and rear shifting on any Shimano 10-speed road drivetrain

simplicity

It delivers unprecedented shifting under maximum power with a mechanical shifter that provides a satisfying

Zipp Service Course SL Stem +/-17 Size:80mm or any situation where youIs the Zipp Service Course SL Stem + 17 the Right Fit? The Zipp Service Course SL Stem in + 17 is machined from 7075 aluminum and engineered to the same 1. 85 grams per Newton meter stiffness standard as the rest of the SL stem family, delivering no flex performance at the bar to fork interface through hard sprints and fast descents. The + 17 rise gives you a meaningful step up in bar height over the standard + 6 version, making it the right call for