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If you want fatigue free and rust free then get titanium Main factors in aluminium frame fatigue: Design, manufacturing, welding, material: determining factor for 90% of bike owners, as they don't use the bike that much that they would fatigue it with use.. My Cannondale Badboy 2004 has a crack in the alu-frame I was surprised by this, I thought my bike will last 20+ years easily.. Background So far I preferred aluminium vs steel for many reasons, but if steel lasts significantly longer, for my next touring bike I will go for steel.
Use (rider weight, terrain): heavier riders fatigue more, and more use over time increases the chance to fail significantly.. Not exactly the same thing but at the molecular level they are related Frame Materials Found a quoted number.. Just because it was on the Internet does not make it right but here is a 5-10 year quote.. I'm interested in touring bikes, not road bikes, city bikes, etc I'm happy to update/clarify my question if needed, make a comment.. ] Background So far I preferred aluminium vs steel for many reasons I bought my first rode bike.
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If you are discounting steel because it will rust then you are not caring for the bike properly.
can aluminium bike frames be repaired
How long an aluminum bike will last depends on many many factors There is already a question on steel versus aluminum for touring.. Bike Frame: Aluminum Vs Steel Aluminum frames possess the shortest fatigue life of any material used to manufacture bicycle frames.. A properly maintained and stored steel bike should not rust And for sure it should not rust out in your life time.. I have yet to hear. If someone has access to ScienceDirect (Cicero et al (2011): Analysis of the cracking causes in an aluminium alloy bike frame), I'd be interested in the conclusions.. You stated bikes from you fathers era lasted 40-50 years - pretty sure they were steel bikes.. We, on this forum, are probably in the other 10% Environmental conditions: saline, humid, big temperature changes increase.. They say it can be welded, which will cost significantly less vs a new frame (if it is available), but I should be prepared for other cracks to appear.. The workshop contracts a welder specialized in bike frame welding and repair I also found a scientific research article on this topic.. For heavy users, who buy good frames anyway, and take care of the bike, probably this is the limiting factor.. To prevent rust formation steel frames must be cleaned and polished regularly and periodically coated with rust stop on the interior of the frame.. ] Background So far I preferred aluminium vs steel for many reasons, but if steel lasts signific.. But you get a bike that is much much less susceptible to fatigue With steel you also get a bike that will take a ding (dent) and not compromise structural strength to the extent of aluminum.. Aluminum fatigues and steel does not fatigue As stated in a comment steel does fatigue - well not always.. The typical aluminum frame possesses a life expectancy of five to 10 years The fatigue life of steel is much longer, but the material requires more maintenance.. var q = 'repairing+cracked+aluminum+bike+frame';I have a rear Mavic Ksyrium Elite wheel rim that has started cracking at one of the nipples (picture below).. The workshop they said this is a high quality, strong frame, but after 10 years alu frames can get tired.. Why does there need to be a significant difference? What are the many reason you prefer aluminum over steel in a touring bike? – Frisbee Jul 10 '14 at 13:29 There are a lot of question so I will settle on the one in the title.. Materials, such as aluminium alloys, do not have any such fatigue limit If a cyclic load is applied, aluminium alloys will always fatigue.. How many years will an current aluminum frame last of a touring bike? Depends: Aluminum has not changed in the 10 years All we know is your last aluminum, high quality, strong frame bike lasted about 10 years The best guess is your next aluminum, high quality, strong frame will also last 10 years Really that is the best guess That is as vague as how long will a current pair of sneakers last me? And the best guess for how long my next pair of sneakers will last is how long did my last pair last.. ','url':'http://bicycles stackexchange com/questions/23529/how-many-years-an-aluminium-frame-lasts-in-a-touring-bike','og_descr':'How long does an aluminium frame lasts in a touring bike? [Removed extra questions to be clear.. Counting how many km someone can practically tour per year, this limits the frame lifespan to 5-10 years or max ~200 000 km.. Especially if I use my bike both in winter and summer, as the heat change wear alu faster.. For the same strength a steel bike is typically going to be heavier than aluminum.. I am 4 months past the warranty repair period, but the Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles.
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