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Need help with fsa crank compatiblity upgrade

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Need help with fsa crank compatiblity upgrade

Old 12-29-11, 02:10 AM
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Need help with fsa crank compatiblity upgrade

Have a 2007 Masi Vincere Bought used I think it is stock. Bottom Bracket = FSA Powerdrive 110mm JIS ( <<< ?? correct lingo + #'s ?? ) + Crank = FSA Vero Forged Compact, 34/50 teeth N10 130mm BCD 34t / 50t + Chain = SHIMANO CN-5600 + Rear cog = Ultegra 11 -25 + Shifters = Shimano 105

////// 50T on the outer chain ring is just not getting me anywhere quick. Height 5 foot 9 inches So an arm of 175 is about right. Can I place any 130mm bcd chainring as long as it is compatible with 10 speed ultegra rear cog ? Can I add any 130mm bcd double combo such as FSA Pro Road 39t / 53t OR 38t / 52t Or could I slap a Shimano DuraAce-7800 2x10sp chainring, 130BCD - 56t (E) OR Dura-Ace 7900 55t 130mm 10spd A-type OR FSA AERO 55T/130MM TIME TRIAL/TRIATHLON OR FSA AERO 54T/130MM N-10 TIME TRIAL/TRIATHLON and add an inner chain ring of something like 42 t and make my own set. My first upgrade choice is nowhere to be found online Looked all over the internet today for a FSA VERO 39t / 53t NOT COMPACT but the only site I tried to buy from did not actually have any in stock and pulled the web ad for it when I tried to order it. So if you know of a website to buy it that would appreciated also.
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Old 12-29-11, 08:02 AM
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If your crank is a compact and has 50/34 chainrings it does not have a 130 mm bcd, it has a 110 mm bcd. If you really want to go to a 53/39 or similar 130 mm chainrings, you need to change the entire crank and probably the bottom bracket also. Any crank will be compatible with your Ultegra cassette as the rear cogs don't care one bit what's up front as long as they have the correct width chain. .
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Old 12-29-11, 09:09 AM
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Most guys 5'9" don't ride 175s, either. So that's another thing to consider when swapping out your crank to a 130 BCD.
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