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FSA OS-99 Stem
- Superlight near-net forged, CNC machined 7050 aluminum
- All sharp edges have been radiused to eliminate stress concentrations
- 6/4 titanium hardware (washers and counterbores are all radiused too)
- 4-bolt alloy faceplate. 2-bolt diagonal cut steerer clamp.
- 98g

80mm x 84/6 deg x 31.8 Clamp
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| Item #: | 21978-50212 | | | | Mfg#: | 175-0298 | | | | UPC: | 400310024237 | | EAN: | 400310024237 | | | | Other #s: | | | SM0746 | | FS4050 | | 31077063 | | ST32611 |
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| Oregon | 1 Today | 11 Monday | | Minnesota | 0 Today | | | New Mexico | 0 Today | | | Utah | 0 Today | |
| Portland, OR | 1 Wednesday | 11 Monday | | Ogden, UT | 0 Today | 2 Tuesday Show More11 Thursday
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$75.00

30 Second Price Match |
90mm x 84/6 deg x 31.8 Clamp
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| Item #: | 21978-50213 | | | | Mfg#: | 175-0299 | | | | UPC: | 400310024244 | | EAN: | 400310024244 | | | | Other #s: | | | SM0747 | | FS4051 | | 31077064 | | ST32612 |
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| Oregon | 0 Today | 1 Monday | | Minnesota | 0 Today | | | New Mexico | 0 Today | | | Utah | 0 Today | |
| Portland, OR | 0 Wednesday | 1 Monday | | Ogden, UT | 0 Today | 1 Thursday
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$75.00

30 Second Price Match |
100mm x 84/6 deg x 31.8 Clamp
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| Item #: | 21978-50214 | | | | Mfg#: | 175-0300 | | | | UPC: | 400310024251 | | EAN: | 4712147804248 | | | | Other #s: | | | SM0748 | | FS4052 | | 31077065 | | ST32613 |
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| Oregon | 0 Today | 0 Monday | | Minnesota | 0 Today | | | New Mexico | 0 Today | | | Utah | 0 Today | |
| Portland, OR | 0 Wednesday | 0 Monday | | Ogden, UT | 0 Today | 0 Thursday
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$75.00

30 Second Price Match |
110mm x 84/6 deg x 31.8 Clamp
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| Item #: | 21978-50215 | | | | Mfg#: | 175-0301 | | | | UPC: | 400310024268 | | EAN: | 400310024268 | | | | Other #s: | | | SM0749 | | FS4053 | | 31077066 | | ST32614 |
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| Oregon | 0 Today | 0 Monday | | Minnesota | 0 Today | | | New Mexico | 0 Today | | | Utah | 0 Today | |
| Portland, OR | 0 Wednesday | 0 Monday | | Ogden, UT | 0 Today | 0 Thursday
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$75.00

30 Second Price Match |
120mm x 84/6 deg x 31.8 Clamp
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| Item #: | 21978-50216 | | | | Mfg#: | 175-0302 | | | | UPC: | 400310024275 | | EAN: | 400310024275 | | | | Other #s: | | | SM0750 | | FS4054 | | 31077067 | | ST32615 |
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| Oregon | 0 Today | 1 Monday | | Minnesota | 0 Today | | | New Mexico | 0 Today | | | Utah | 0 Today | |
| Portland, OR | 0 Wednesday | 1 Monday | | Ogden, UT | 0 Today | 1 Thursday
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$75.00

30 Second Price Match |
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Customer Ratings
Customer Reviews
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good solid stem This is a good all around solid stem, nothing fancy, no frills, but a quality part. I bought this for my cross bike and liked it so much I replaced my old stem on my road bike with this one. Pros: Clamps tightly Would Buy Again: Yes Would Recommend: Yes Reviewed on: February 27, 2013 Reviewed by: Jason A., Connecticut Was this review Helpful? Yes No Report as Inappropriate
Lightweight XC Stem I installed this on my Epic S-Works. It was the lightest stem for the money. Anything lighter was carbon and expensive. Never had one fail or slip. Pros: Lightweight and Affordable Cons: None Would Buy Again: Yes Would Recommend: Yes Reviewed on: August 17, 2011 Reviewed by: LT., California Was this review Helpful? Yes No Report as Inappropriate
a great stem, really light and stiff too. Pros: light, stiff and looks good Cons: none Would Buy Again: Yes Would Recommend: Yes Reviewed on: March 17, 2011 Reviewed by: Mike , Michigan Was this review Helpful? Yes No Report as Inappropriate
Good stem, looks nice but is heavier than advertised. Titanium bolt are a plus. Is it better than other stems, probably not. Would Buy Again: No Would Recommend: No Reviewed on: November 02, 2010 Reviewed by: Daniel M., Rhode Island Was this review Helpful? Yes No Report as Inappropriate
Light weight and strong. My bars haven't slipped once with this stem. Pros: Light weight Cons: None Would Buy Again: Yes Would Recommend: Yes Reviewed on: September 15, 2010 Reviewed by: Christopher M., California Was this review Helpful? Yes No Report as Inappropriate
Among the lightest stems available I've had this on my bike for the last 15k miles over 2 years. No problems with it. Has held my Zipp SL carbon bars well. Have used in both positions with no issue either.
80mm size weighed in at 104g. Pros: Lightweight Would Buy Again: Yes Would Recommend: Yes Reviewed on: September 01, 2010 Reviewed by: Francis (Team EARTHDREAMS), WA Was this review Helpful? Yes No Report as Inappropriate
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