ClydesdaleMTB wrote:
>
>
> Chris wrote:
>
>> I've never heard any complaints regarding the ISIS interface (except from people who couldn't
>> install them...of course, these are people who don't change their own inner tubes)
>
>
>
> Better do some background reserach on this....
http://www.raceface.com/contactus/
>
>
> Q: Why won’t my ISIS Drive cranks go all the way onto my bottom bracket?
>
> A: The tolerances between Race Face cranks and Race Face bottom brackets are very high. Sometimes,
> extras steps are necessary to ensure your parts are installed properly. For example, if the
> crank bolts are tightened down to recommended torque-spec the first time they are installed, 40
> ft.-lbs, and your cranks aren’t bottomed out on the “hard-stop flange”, it’s best to do these
> steps. Take the bike for an easy, low impact, meaning no jumps, drops, etc, 45-60 minute ride.
> Always carry an 8mm crank-bolt wrench. Make sure the crank bolts are tight at all times. After
> the ride, remove the cranks, regrease the bottom bracket spindle, rotate the cranks 90 degrees
> to the original position they had on the spindle, re-install. Rarely, it may be necessary to
> increase the torque on the crank-bolts by as much as 10-20 ft.-lbs, for a maximum of up to 60
> ft.-lbs. Whenever this happens, use a new allen-head on the torque wrench. As well, use common
> sense, avoid rounding out the crank-bolt itself, go slowly. Finally, when installing these
> components, it’s best to go to your local bike shop, “LBS”, and ask them for assistance.
RaceFace told me to go to as much as 60 ft-lbs directly (no riding first). That'a about what it took
to seat 'em the first couple of times that I put my Next LP's on. Now, the recommended 35 ft-lbs
works great -- but I've got over 12k miles on 'em
.
David