Wednesday, March 14, 2012

FSA OS-99 CSI Stem Review

FSA OS-99 CSI Stem
Average Reviews:

(More customer reviews)
I bought this stem as a replacement for an FSA OS-115 stem (aluminum stem with carbon face plate). I bought it for three reasons:
1) I have an FSA K-wing carbon handlebar and wanted a stem to match
2) I needed a stem with a flatter angle (the old one was 78/102)
3) I had a $50 coupon for Amazon and had to buy SOMETHING for the bike :)
PROS: This stem is beautiful - shiny carbon weave and reversible logo looks absolutely AWESOME, especially with an FSA carbon handlebar. Also, since it's an aluminum stem wrapped in carbon, I have no doubt about its durability. I'm 6'8" and 240lbs, so I need a stem I can rely on.
CONS: Although I don't have a scale to weigh it on, I can tell by holding them that the CSI OS-99 it is heavier than the OS-115 (aluminum) stem. I'm not concerned if I add a few grams so I really don't care if it's a little heavier, but some of you may want to look elsewhere if saving weight is one of your main objectives.

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Full carbon fiber construction and titanium bolts help the FSA OS-99 CSI Stem make an impressively low 118g, and help get your ride to fighting weight. This stem comes in a wide range of lengths to ensure an ideal fit, and the four-bolt faceplate reduces the chances of any loosening during a ride. This FSA stem handles the seasons biggest race as easily as your everyday rides.Product Features
Material: Carbon fiber
Diameter: 31.8mm
Length: 90130mm in 10mm increments
Rise: + / - 6deg
Bar Attachment: 4-Bolt
Weight: 118g
Recommended Use: Road biking, racing
Manufacturer Warranty: 1 Year


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