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The Zipp Service Course stem delivers all you look for in a high-performance stem - strength, stiffness, reliability, a precise fit and great visual look. The SC stem offers a new faceplate and body design for greater stiffness and easier installation at a price that meets any rider's budget.
Forged AL-6061
Machined and relieved faceplate
Features stainless steel hardware with TORX heads on all bolts for precision torque readings and ease of adjustment
We define color as the main color of the item. It may have accents or highlights in other colors.
These models are available for online purchasing and can be shipped directly to you.
Bar clamp diameter is the diamater of the handlebar.
Stem length is measured from the center of one clamp to the center of the other clamp. This measurement is sometimes known as the reach or extension.
S.H.I.S clamp diameter is the steerer tube diameter.
Stem angles are measured perpendicular to the clamp. For example, a 90 degree stem is straight. Sometimes, this may also be refered to as a 0 degree stem. If two measurements are listed, the stem can be flipped for angling up or down.
Stem Type
In stock orders usually ship in 1-2 business days.
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Stem Measurements
![Pinterest](https://pinterest.com/pin/create/button/?url=https://www.modernbike.com/zipp-speed-weaponry-service-course-stem---90mm-31.8-clamp---25-1-1-8-aluminum-blast-black-b2&media=https://static.modernbike.com/Product_Images/large_186851_20210219025301.jpg&description=Zipp Speed Weaponry Service Course Stem - 90mm, 31.8 Clamp, +/-25, 1 1/8", Aluminum, Blast Black, B2)
