Like New Zipp 300 Carbon Crank 175mm with FSA Platinum Pro TI MegaQuad Bottom Bracket.
This crank is in like new condition, it has been used twice. I need 172.5's
$575.00
Thanks,
Tim
..
Specs
1.. 175mm arms, 2.. 53/39 chainrings 3.. Chainwheel listed at 420 grams with chainrings and hardware (as listed on the case) WeightWeenies listed at 471 grams 4.. 144m Q Factor 5.. Includes FSA Titanium Bottom bracket for a 68mm english shell. Listed at 189 grams on WeightWeenies 6.. This is the lightest crank on the market. The total listed weights would be 660 grams, complete. Significantly lighter than Dura Ace or Campy 7.. The heart of the Zipp 300 crankset is a revolutionary bonding process which allows the carbon fiber to bond to the aluminum with a strength similar to that which it bonds to itself. This process is so specialized and sensitive that it is thus far available only in the US, and only from 3 aerospace suppliers. While certainly not inexpensive, this process does increase bond strength by more than 3X when compared to traditionally employed methods, meaning that the Zipp crank can utilize two intricately forged and machined aluminum lugs only where they are needed and does not require a heavy internal aluminum spine to hold the crank together. This bonding process allows the Zipp 300 to use more than 200 grams less aluminum than other designs, allowing designers to utilize nearly 80 grams of additional carbon fiber in order to increase strength and stiffness resulting in a crank that is truly supreme in terms of stiffness and durability.
Searching for an alloy that is as strong as 7074, but with significantly higher fatigue properties, Zipp discovered 2XXX aluminum from Alcoa. This aluminum was developed as a replacement for 2024 in military aircraft, and allows for the further removal of weight do to its significantly higher fatigue strength. In fact, Zipp 300 cranksets have achieved more than 3.5 million cycles at 1500N (300 lbs) without a crack initiation or failure in the bondline. 8.. Product reviews: Cyclingnews.com August 2006 Pezcyclingnews.com April 2006
"Tim" <[email hidden]> wrote in message news:[email hidden]...
Quoted message said:
Like New Zipp 300 Carbon Crank 175mm with FSA Platinum Pro TI MegaQuad Bottom Bracket.
This crank is in like new condition, it has been used twice. I need 172.5's
$575.00
Thanks,
Tim
.
Specs
1.. 175mm arms, 2.. 53/39 chainrings 3.. Chainwheel listed at 420 grams with chainrings and hardware (as listed on the case) WeightWeenies listed at 471 grams 4.. 144m Q Factor 5.. Includes FSA Titanium Bottom bracket for a 68mm english shell. Listed at 189 grams on WeightWeenies 6.. This is the lightest crank on the market. The total listed weights would be 660 grams, complete. Significantly lighter than Dura Ace or Campy 7.. The heart of the Zipp 300 crankset is a revolutionary bonding process which allows the carbon fiber to bond to the aluminum with a strength similar to that which it bonds to itself. This process is so specialized and sensitive that it is thus far available only in the US, and only from 3 aerospace suppliers. While certainly not inexpensive, this process does increase bond strength by more than 3X when compared to traditionally employed methods, meaning that the Zipp crank can utilize two intricately forged and machined aluminum lugs only where they are needed and does not require a heavy internal aluminum spine to hold the crank together. This bonding process allows the Zipp 300 to use more than 200 grams less aluminum than other designs, allowing designers to utilize nearly 80 grams of additional carbon fiber in order to increase strength and stiffness resulting in a crank that is truly supreme in terms of stiffness and durability.
Searching for an alloy that is as strong as 7074, but with significantly higher fatigue properties, Zipp discovered 2XXX aluminum from Alcoa. This aluminum was developed as a replacement for 2024 in military aircraft, and allows for the further removal of weight do to its significantly higher fatigue strength. In fact, Zipp 300 cranksets have achieved more than 3.5 million cycles at 1500N (300 lbs) without a crack initiation or failure in the bondline. 8.. Product reviews: Cyclingnews.com August 2006 Pezcyclingnews.com April 2006
