Zeus bolt circle was 120mm and would take a 36T ring. 36T rings are rare, but 38T are not so rare. Unfortunately nothing else I know of used the Zeus 120 mm circle. Zeus cranks, like most classic cranks, came in both French and English thread, The typical Zeus double used a 118 mm axle, which was a bit longer than Campy, the same length as the Stronglight double axle. I think I've used Zeus arms on Campy BB's, but I don't guarantee it will work. Zeus has the strange feature of using a 16 mm crank bolt head like Stronglight, but the Campy 22mm extractor thread. This means you need a really thin walled wrench to remove the crank bolts. Many people replace the 16 mm bolts with 15 mm Campy bolts, but I think that ruins the fun.
Regards,
Jerry Moos Big Spring, TX
Mark Cutrufelli <rena.cutrufelli@comcast.net> wrote: So what are the bolt circles on the Zeus 2000 crit crank? Are these common (can get rings)? Are the pedal eyes English thread? You mean the Zeus double crankset could take a 36 inner ring? Would I have to change my Super/nuvo Record bb? ( 83 Masi from San Marcos I think it is Italian threaded BB)
Mark Cutrufelli Laurel,MD USA
-----Original Message----- From: classicrendezvous-bounces@bikelist.org [mailto:classicrendezvous-bounces@bikelist.org] On Behalf Of John Thompson Sent: Tuesday, October 16, 2007 11:09 PM Cc: 'CR List' Subject: Re: [CR]Sugino mighty tour and Campagnolo SR cranks question
Mark Cutrufelli wrote:
> I now have the Campy SR crank with 53/42 and it's too tiring. I love
> the SR look but that 144 bolt pattern won't let you get below 42 (or
> that rare 41 which is not much different)
I think the Zeus crank gives a close appearance to the Super Record but allows chainrings down to 36T:
http://www.os2.dhs.org/
Unfortunately, they're scarcer than Super Record and chainrings -- particularly the small ones -- are even harder to find.
The problem with drilling your Campy arms for a smaller bolt circle is that you really need to use it as a triple then, which you stated you'd prefer not to do. You might also consider the Stronglight mod. 93 or 105, which allow rings down to 38T.
--
John Thompson (john@os2.dhs.org)
Appleton WI USA