Join Date: Aug 2005
Location: Long Island
Bikes: Leader 780-R; Rockhopper FSR;Trek 660; Kona Blast Hardtail
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Originally Posted by BRANDUNE
If a full carbon fork has a crack at the top of the steerer is it still safely useable with a proper expander, and or are there any other solutions to fixing it. I dont know much about carbon but my original thought was to drill out the bottom of the crack as top stop it from continuing and then gluing it up and using a good expander. ANY HELP WOULD BE GREATLY APPRECIATED
No way. What caused the crack in the first place? If it was a crash, you would be advised to toss the fork.
Otherwise, you'd have to cut below the crack, but even then you can't be sure the thing isn't compromised. The glue will likely shear anyway at the crack line. A proper repair for fiberglass layup, even carbon fiber is to bind with another glassed on layer, but with a bike fork, that just isn't an option.
It ain't worth the $$ for your body. I have a $300 carbon steerer on mine, and if I hose it in any way, I understand it's outta there, no questions asked, cos the next time I am descending a hill at 40 mph down a hill, I don't want any question in my mind. The injuries don;t seem like much when you are young sometimes, but they add up to expensive bad news as you get older. Keep your body so you can cycle to a ripe old age.