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The fsa energy crank bb m exo 172.5 34 50t is sold out or discontinued. We found 1500 related products.

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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
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
FSA focused on comfort when designing the K-Wing Compact Handlebar. The flattened Aero-Ergo profile of the tops is a testament to this. Not only does the profile of the top spread your weight over more of your hands to relieve pressure, but they're also angled down ever-so-slightly. The idea is that angling the tops down mimics the natural position that your wrists assume when you grab the tops of the handlebar. So, you're able to adopt a more natural position whether you're climbing, or just giving your back a rest from the hoods. The moderate 125mm drop and 80mm reach put these handlebars in the realm of short/shallow. And the drops are angled by two degrees in order to mimic the natural position of your wrists when you're in them. It's a subtle difference from parallel drops, but one that becomes apparent the longer that your ride goes on. The hand-to-bar interface isn't the only design feature that FSA obsessed over. There's a textured clear coat at the stem clamp and brake lever mounts. This high-friction coating ensures a slip-free interface, even on rough roads. The internal cable routing yields clean lines, and the cable channels are slightly larger than you'll find on some other bars. This enables trouble-free cable routing, even with electronic cabling. And while the carbon fiber/Kevlar construction ensures a comfortable ride and plenty of longevity, it's the 3k carbon weave on the outer-layer that makes these handlebars so eye-catching. The FSA K-Wing Compact Handlebar is available in the sizes 40, 42, and 44cm and in the colors Black and White. Please note that this handlebar is only compatible with 31. 8mm clamp diameter stems.
$314 Go to
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