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The fsa gossamer megaexotriple 10 speed 170mm 30 39 52 crankset w bb is sold out or discontinued. We found 1500 related products.

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FSA proudly proclaims that the bottom bracket in the FSA SL-K Light EVO386 is the last evolution of the BB standard. Given the multiplicity of so-called bottom bracket standards these days, this is a bold claim. It may have a point though, as the BB386 is really a series of adapters that plug into the most common versions of bottom brackets in order to accommodate the EVO386 cranks. Like its K-Force relatives, the SL-K's crank arms are molded around two tubular bladders, so the structure is buttressed-up with a thin, central sheet of material that runs the length of the crank. The cross section resembles a peanut, and the result is a lightweight crank arm that doesn't skimp on power transfer. This power transfer is further complemented by the SL-K's impossibly smooth and durable ceramic bearings. Ceramic can withstand even industrial applications without flinching, so for a bicycle, they're the bearing equivalent of spinning up on clouds. The wider, 86 millimeter spacing pushes the contact point with the pedals out slightly. Since the bottom bracket extends further, the crank arms don't have to bend as much to provide ankle clearance on the frame. That means less material, so it saves grams, and higher torsional stiffness because the crank arm itself is straighter. You know how bowed seat stays provide compliance to absorb road impact? The same is true of bowed crank arms, but the extra compliance works against you by flexing, which hampers efficient power transfer. Given the flexibility of BB386, the SL-K Light cranks are future-proof. They'll travel with you from frame to frame, and -- by installing your choice of FSA chainrings designed to work with Shimano, SRAM, or Campagnolo -- drivetrain to drivetrain. No matter what changes you make to frame or groupset, you'll never be without the SLK Light's lightweight efficiency again.
$467 Go to
Competitive Cyclist
The 20-words-or-less summary is easy to do: The FSA OS-99 CSI stem is an FSA OS-99 stem wrapped in carbon fiber. But there are nuances to it that require elaboration: For starters, this is different than most other wrapped carbon fiber stems we've seen. It's much lighter than those stems. For the older wrapped stems, manufacturers were generally taking their heaviest stem, wrapping some cloth around it and clear coating the thing. But the carbon fiber wrap on the OS-99 CSI is actually doing something. It's structural. The CSI acronym stands for Carbon Structural Integration. It is designed to stiffen up a really light stem (it adds 20g in weight in comparison to the standard OS-99). A stiffer stem is a more durable stem. This isn't to suggest that the OS-99 is weak. It isn't, and maybe some people won't notice the difference between the two stems, but if you're a bigger rider, or want some more bling on the bike, this is a great way to do it. We suspect CSI is a technology FSA will use more and more of in the future. It's already being used in the aerospace industry. The basic idea seems to be going around the bike industry some. Shimano has an super-light clincher wheelset that bulks up an ultra-lean aluminum rim with carbon fiber. The FSA OS-99 CSI Stem is a forged and CNC'd aluminum stem wrapped in carbon for extra stiffness. The aluminum base is AL7050. A gloss carbon is wrapped on top of the aluminum. There is a four-bolt sculpted face clamp. The clamp is anodized black. The four faceplate bolts and two steerer pinch bolts are made from titanium. The stack height of the stem is 41mm. The stem angle is plus or minus (+/-) 6 degrees aka 84/96-degrees. The stem comes in 80-130mm lengths in 10mm increments. The finish comes in either Gloss 3K Weave or Gloss UD. Weight is 118g.
$65 Go to
Competitive Cyclist
The 20-words-or-less summary is easy to do: The FSA OS-99 CSI stem is an FSA OS-99 stem wrapped in carbon fiber. But there are nuances to it that require elaboration: For starters, this is different than most other wrapped carbon fiber stems we've seen. It's much lighter than those stems. For the older wrapped stems, manufacturers were generally taking their heaviest stem, wrapping some cloth around it and clear coating the thing. But the carbon fiber wrap on the OS-99 CSI is actually doing something. It's structural. The CSI acronym stands for Carbon Structural Integration. It is designed to stiffen up a really light stem (it adds 20g in weight in comparison to the standard OS-99). A stiffer stem is a more durable stem. This isn't to suggest that the OS-99 is weak. It isn't, and maybe some people won't notice the difference between the two stems, but if you're a bigger rider, or want some more bling on the bike, this is a great way to do it. We suspect CSI is a technology FSA will use more and more of in the future. It's already being used in the aerospace industry. The basic idea seems to be going around the bike industry some. Shimano has an super-light clincher wheelset that bulks up an ultra-lean aluminum rim with carbon fiber. The FSA OS-99 CSI Stem is a forged and CNC'd aluminum stem wrapped in carbon for extra stiffness. The aluminum base is AL7050. A gloss carbon is wrapped on top of the aluminum. There is a four-bolt sculpted face clamp. The clamp is anodized black. The four faceplate bolts and two steerer pinch bolts are made from titanium. The stack height of the stem is 41mm. The stem angle is plus or minus (+/-) 6 degrees aka 84/96-degrees. The stem comes in 80-130mm lengths in 10mm increments. The finish comes in either Gloss 3K Weave or Gloss UD. Weight is 118g.
$65 Go to
Competitive Cyclist