philth Posted November 20, 2005 Report Share Posted November 20, 2005 (edited) Ok, I was just going to ask about for but figure i'd ask about other stuff. 1) Carbon-Fiber forks?? What ones are people using and what problems have people had. 2) Other stuff, what other bits on your bike are carbon-fibre, big bits not just stem caps. Forks are my main interest. Tar lovely's Phil Edited November 20, 2005 by philth Quote Link to comment Share on other sites More sharing options...
Tomm Posted November 20, 2005 Report Share Posted November 20, 2005 I don't think anyone really bothers with CF forks. There were some people making them a while back (Goldtech/Coust/Fournales) but they were stupidly expensive (I heard £500 mentioned <_< ). Those Pace Carbon forks from years back were ok, I think Waynio was using them. Flexy as anything though... Quote Link to comment Share on other sites More sharing options...
philth Posted November 20, 2005 Author Report Share Posted November 20, 2005 (edited) I don't think anyone really bothers with CF forks. There were some people making them a while back (Goldtech/Coust/Fournales) but they were stupidly expensive (I heard £500 mentioned <_< ). Those Pace Carbon forks from years back were ok, I think Waynio was using them. Flexy as anything though... Ok...but prices here in the states are ALOT cheaper + I work in a bike shop, for example i can get Chris king headsets for 70dollars, like 40 pounds Edited November 20, 2005 by philth Quote Link to comment Share on other sites More sharing options...
Tomm Posted November 20, 2005 Report Share Posted November 20, 2005 Don't rub it in! Can you get any carbon forks though? The Fournales/Coust ones are specialist items that I wouldn't have thought will be available for bike shops to order in, especially not state-side. You got anything in mind? Quote Link to comment Share on other sites More sharing options...
JT! Posted November 20, 2005 Report Share Posted November 20, 2005 Carbon fiber (well, the outside layer) are doing me ok. Carbon boster is ok too. Don't know about forks though i think they'll take too much abuse. Quote Link to comment Share on other sites More sharing options...
chrishayton Posted November 20, 2005 Report Share Posted November 20, 2005 Ok...but prices here in the states are ALOT cheaper + I work in a bike shop, for example i can get Chris king headsets for 70dollars, like 40 pounds you wont get them forks cheaper though. they will only make them for you, not a stock item. danny b on here has them. carbon bars are great, my onza ones rock. well stiff <_< Quote Link to comment Share on other sites More sharing options...
Burton Posted November 20, 2005 Report Share Posted November 20, 2005 you wont get them forks cheaper though. they will only make them for you, not a stock item. danny b on here has them. carbon bars are great, my onza ones rock. well stiff <_< You wont be saying that when you notice the crack on the bend. I've seen 3 sets of 30'' bars crack, and heard alot more. The pazzaz uns are alot stronger and stiffer :) Quote Link to comment Share on other sites More sharing options...
Tomm Posted November 20, 2005 Report Share Posted November 20, 2005 You wont be saying that when you notice the crack on the bend. I've seen 3 sets of 30'' bars crack, and heard alot more. The pazzaz uns are alot stronger and stiffer :) They're the same thing <_< Onza just rebranded them. Quote Link to comment Share on other sites More sharing options...
tank_rider Posted November 20, 2005 Report Share Posted November 20, 2005 I think the main problems with CF forks are the interfaces between the legs and the crown, and the legs and the dropouts. I overheard Dave Butler saying that he had to re-bond Danny's forks a while back as the glue had died. Also due to the flex CF allows, there is a massive stress riser where the CF meets with the alu or magnesium crowns increasing the chance of crack propogation and delamination. Crack propogation isnt too bad a problem in CF as it can develop minute cracks without any real degredation in mechanical properties, it is delamination that causes problems, that is where the layers peel away from each other due to poor bonding or high stresses/bending which the plastic adhesive can't handle and so it cracks/shatter between the CF laminates. With a redisign of the crown area a CF fork could be made to be as durable and good as a regular alu fork, but obviously with less weight. Quote Link to comment Share on other sites More sharing options...
Burton Posted November 20, 2005 Report Share Posted November 20, 2005 They're the same thing :angry: Onza just rebranded them. The Pazzaz bars have thicker Carbon Fibre, and thicker pieces of Aluminium inserts. If you look down the side of Pazzaz and Onza CF bars, then you can definately see the difference. Quote Link to comment Share on other sites More sharing options...
DrEvil270183 Posted November 20, 2005 Report Share Posted November 20, 2005 The Pazzaz bars have thicker Carbon Fibre, and thicker pieces of Aluminium inserts. If you look down the side of Pazzaz and Onza CF bars, then you can definately see the difference. woohoo, i have pazzaz 29" hopefully safer than the onza ones :angry: Quote Link to comment Share on other sites More sharing options...
Burton Posted November 20, 2005 Report Share Posted November 20, 2005 woohoo, i have pazzaz 29" hopefully safer than the onza ones :ermm: Im sure your bars are 28''. Because they're the same as mine, and i dont think they produced 29'' version. Didnt a kid from Halifax produce some carbon firbre forks, with RockShock steerer and drop-outs? Wonder how those went :angry: Quote Link to comment Share on other sites More sharing options...
DrEvil270183 Posted November 20, 2005 Report Share Posted November 20, 2005 nope, mine are 29", cause Andrei who rides in leeds has the 28" ones. massive difference. Quote Link to comment Share on other sites More sharing options...
chrishayton Posted November 20, 2005 Report Share Posted November 20, 2005 I think the main problems with CF forks are the interfaces between the legs and the crown, and the legs and the dropouts. I overheard Dave Butler saying that he had to re-bond Danny's forks a while back as the glue had died. Also due to the flex CF allows, there is a massive stress riser where the CF meets with the alu or magnesium crowns increasing the chance of crack propogation and delamination. Crack propogation isnt too bad a problem in CF as it can develop minute cracks without any real degredation in mechanical properties, it is delamination that causes problems, that is where the layers peel away from each other due to poor bonding or high stresses/bending which the plastic adhesive can't handle and so it cracks/shatter between the CF laminates. With a redisign of the crown area a CF fork could be made to be as durable and good as a regular alu fork, but obviously with less weight. according to dave butler the carbon forks are not that much lighter, but far stronger, seems weird but thats what he said Quote Link to comment Share on other sites More sharing options...
Waddy Posted November 20, 2005 Report Share Posted November 20, 2005 (edited) Didnt a kid from Halifax produce some carbon firbre forks, with RockShock steerer and drop-outs? Wonder how those went :angry: yes i did :P they didn't last right long (not after ali c went on my bike anyway) lol, the carbon fibre wasn't of high enough quality and the only place i could find that did any strong enough had a minimum order quantity of £250 :ermm: wouldn't mind having another go with better tube though sam EDIT: heres a pic Edited November 20, 2005 by wad Quote Link to comment Share on other sites More sharing options...
Burton Posted November 20, 2005 Report Share Posted November 20, 2005 (edited) yes i did :P they didn't last right long (not after ali c went on my bike anyway) lol, the carbon fibre wasn't of high enough quality and the only place i could find that did any strong enough had a minimum order quantity of £250 :ermm: wouldn't mind having another go with better tube though sam Ah cool :angry: Good for trying though man, top notch! Would you be able to get the same stuff, but just put aluminium inserts into the legs, so they were stiffer? Edited November 20, 2005 by dan_t-lite Quote Link to comment Share on other sites More sharing options...
tank_rider Posted November 20, 2005 Report Share Posted November 20, 2005 I'd be really interested to see how a set of forks could be designed using a custom layed up shape, such as an oval or something biased towards making them laterally stiffer. That should allow them to be lighter, yet retain the same strength. Quote Link to comment Share on other sites More sharing options...
Waddy Posted November 20, 2005 Report Share Posted November 20, 2005 Would you be able to get the same stuff, but just put aluminium inserts into the legs, so they were stiffer? yer Ali C did that an gave/sold them to fat mike the tubing held together but the disc mount came off :angry: i think ali is in the process of makin another pair , he was goin to let me use them but they have post mounts so i would need a new brake Quote Link to comment Share on other sites More sharing options...
Waynio Posted November 21, 2005 Report Share Posted November 21, 2005 pace have tweaked the design of the RC31 and will have titanium buits on them for next year to stiffen and strangthen the corwn me thinks as the alloy crown is VERY very flexy. im going to start using mine again soon. afgter i had the dropout fixed. cos the magnesium just doesnt last. going to have to use front vee aswell just for extra safety :P lol as your not meant to use a disc over 160mm or you find out what happens to me :) lol the disc mount snaps off the dropout YEAH!!!! mint or what. but ye Philth if you want to see some if you fancy a ride in barlik or colne ne time soon get in touch with me via PM and il send you ma number and we'll hook up for a ride if you fancy? Waynio.................... Quote Link to comment Share on other sites More sharing options...
Davetrials Posted November 21, 2005 Report Share Posted November 21, 2005 i think philths from florida.... :P Quote Link to comment Share on other sites More sharing options...
Waynio Posted November 21, 2005 Report Share Posted November 21, 2005 fork ye he is. neva mind i will see him next year if i go to florida :P lol im just not all with it at mo :D am going insane. and we will leave it at that. Waynio.................... altho if he wished to have carbon forks the new pace stuff is probably going to be strong enuff :P :) Quote Link to comment Share on other sites More sharing options...
mr kenny Posted November 21, 2005 Report Share Posted November 21, 2005 hey wayne if phil is over some time soon he'll come to stay with me for a few day's he can see them then phil i'll call you when i get a spare hour... use the use forks you got there well nice...oh get me a price of a king iso front please xx Quote Link to comment Share on other sites More sharing options...
danny B Posted November 22, 2005 Report Share Posted November 22, 2005 carbon is cool, :P and pretty :P hahaha no seriously carbon is a great material and lends it self well to trials its pretty light and pretty strong, i run carbon bars and obviously my very trendy forks but the only problem with the forks is after all the glue which can be a bit of a pain and yes the forks could be made but would need pre paided orders and lots of them to make the forks at a descent selling price else the prices of them would just be huge. :turned: :D even though they are absolutly amazing to ride with but like it said further up they ain't that much lighter than standards but they give so much more of a better reaction for taps and hooks. hope that helps a few peeps out. Personally in the future i would love to see a carbon frame that would be a real good product. (Y) Quote Link to comment Share on other sites More sharing options...
Waynio Posted November 22, 2005 Report Share Posted November 22, 2005 Personally in the future i would love to see a carbon frame that would be a real good product. me too, but the problem would be too many people would mangle the down tube and say sumot stupid like i was just riding along and my down tube caved in. haha. would be funny to see one splintered wouldnt it :P haha could be painful and would be pretty messy if one broke. would be nice to actually see one stood on two wheels and like the pimpest build ever BUT not be allowed to be ridden! :P :P :P that would be sweet. and back to carbon forks i rekon there would be a market for them if people werent so short sightd a bit like with frames and stuff and breaking them, you just cant educate beef. so its hard to explain but to someone like me or you dan who wouldnt really be bothered if we broke them its not a problem but to lil timmy who saved up for months on end to have a pair he could/would possibly go out and trash them within minutes and then wouldnt be a happy camper. Waynio...................... i can remember when i first got a pair of pace forks people were like "god your mad why would you run carbon forks, they'll well snap on the carbon" when in all truth its actually the parts around the carbon that would break as carbon in its form is extremly strong,it would break if there was quite a large gash in the side of it for example, but i have only had problems with the dropouts on my pace ones, but as pace say there a XC fork and if they could release a trials fork made from carbon they would be produced with alloy dropouts but i dont think they would go down the road of a carbon more trials orientated fork. i just had mine done as i wanted something no one else would have. Quote Link to comment Share on other sites More sharing options...
JIX Posted November 22, 2005 Report Share Posted November 22, 2005 I scratch the shit out of my fork though, so I wouldnt really trust them after a while. Quote Link to comment Share on other sites More sharing options...
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