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SRAM Rival crankset, modified I-beam?
I was considering buying the SRAM Rival compact crankset until I had
an opportunity to examine it up close in the flesh, at the LBS. The crankarm cross section looked like "IC" (ascii art). The "C" section was on the back of the crankarms. In fact, it pretty much looked like the Ritchey WCS cranks with the crankarms flipped over (outside in). Will this be another crankset that's prone to break? |
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SRAM Rival crankset, modified I-beam?
On Mar 30, 10:55 pm, "damyth" wrote:
I was considering buying the SRAM Rival compact crankset until I had an opportunity to examine it up close in the flesh, at the LBS. The crankarm cross section looked like "IC" (ascii art). The "C" section was on the back of the crankarms. In fact, it pretty much looked like the Ritchey WCS cranks with the crankarms flipped over (outside in). Will this be another crankset that's prone to break? Wait, let me get my crystal ball....ya know, we sold more than a few WCS cranks and none have ever broken. If you are uncomfy, don't buy it. If there is anything 'out there' in spades it is compact cranks. Cheap to expensive, Sugino, TA, Campag, shimano, Ritchey, FSA, Sram/Truvativ, ETC.... |
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SRAM Rival crankset, modified I-beam?
damyth wrote:
I was considering buying the SRAM Rival compact crankset until I had an opportunity to examine it up close in the flesh, at the LBS. The crankarm cross section looked like "IC" (ascii art). The "C" section was on the back of the crankarms. In fact, it pretty much looked like the Ritchey WCS cranks with the crankarms flipped over (outside in). Will this be another crankset that's prone to break? theoretically, yes. the water gets muddied as soon as real-world factors like stone impact damage and maintenance quality is taken into account, but in theory, the most fatigue resistant cranks are those with the rounded profiles of campy and shimano. is there a reason you can't mix & match? i have shimano cranks on otherwise campy bikes. |
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SRAM Rival crankset, modified I-beam?
On Mar 31, 8:47 am, jim beam wrote:
the most fatigue resistant cranks are those with the rounded profiles of campy and shimano. Are Campy aluminum cranks really rounded on the back side rather than hollowed out or flat? |
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SRAM Rival crankset, modified I-beam?
Ron Ruff wrote:
On Mar 31, 8:47 am, jim beam wrote: the most fatigue resistant cranks are those with the rounded profiles of campy and shimano. Are Campy aluminum cranks really rounded on the back side rather than hollowed out or flat? depends on the year/model. Some yes, some no. Aluminum CHR/REC of a couple years back are a nearly oval cross section, slight depression on the back, no machining; new VEL/CEN aluminum are scooped on the back. Carbon are a nice smooth ample section always. C-180 Record are a nice oval, no scoops. -- Andrew Muzi www.yellowjersey.org Open every day since 1 April, 1971 |
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