Zipp: SERVICE COURSE SL 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.Matte Black nano blast aluminiumLifetime warrantyZipp Quickview integrated computer mount available separately SPECIFICATIONSMaterial (SP/ST): Al-7075Length (ST): 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 70mm, 80mm, 90mmStem angle/rise: 6 degreesClamp diam: 31.8mmSteerer clamp diameter: 1-1/8 inColour/finish (ST): Matte with stealth decalsHardware: Titanium