Zipp’s service course sl stem, crafted from 7075 aluminium, features a shape that’s strong and lightweight, resulting in a best-in-class 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations. To meet every rider’s fit needs, the stem is available in ±6° and ±17° angles and seven lengths from 70 to 130mm as well as a 140 & 150mm lengths for the ±6° stem only. This stem is a favourite of zipp ambassadors and Pro athletes.Featuresupdated distinctive zipp cosmeticswide range of sizes and angles.Service course sl os stem made for 1-1/4” steerer tube bikes.Matte black nano blast aluminiumlifetime warrantyzipp quickview integrated computer mount available separatelySpecificationsmaterial (sp/st): al-7075length (st): 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 70mm, 80mm, 90mmstem angle/rise: 6 degreesclamp diam: 31.8mmsteerer clamp diameter: 1-1/4 & 1-1/8 incolour/finish (st): matte with stealth decalshardware: titanium