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Carbon Fork Flex...how much is too much?(3 posts)

Carbon Fork Flex...how much is too much?AlphaDog
Mar 17, 2002 1:03 PM
I noticed that my Carbon Slice fork flexes alot under standing climbs and rougher sections of road. It looks like the front wheel axle is moving as much as 1/2 to 3/4 of an inch back and forth. Is this normal? I am a larger rider(215Lbs). The fork is one a Cdale R600 and came stock on the bike. The idea of the fork breaking is not comforting...
re: Carbon Fork Flex...how much is too much?JimP
Mar 17, 2002 6:35 PM
I think it depends on how the flex is. I have an Aegis with the all carbon HR fork. That fork will flex if I press hard on the handlebars while standing still. It only flexes a little but it is noticable. That flex is very normal for my fork and that is what helps absorb the shock and vibration. I have been able to ride down rough roads at a considerably higher speed with this bike and fork than my C'dale with a Profile BRC carbon fork since the bike is under control and not bouncing from bump to bump. You might check with the manufacturer about how much flex is normal.
Fork Flex.guido
Mar 17, 2002 7:15 PM
I have an old SL fork that flexes as much as yours does. It's really comfortable. Forks are supposed to work that way. If it goes, it'll be where its bonded to the steering tube. Next time you repack your headset, check for cracks!