Designation:F2868−10(Reapproved2015)AnAmericanNationalStandardStandardSpecificationforCondition2BicycleFrames1ThisstandardisissuedunderthefixeddesignationF2868;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThisspecificationstandarddefinesasetofrequirementsforCondition2bicycleframes.Condition2isavehicleusageclassificationdefinedinClassificationF2043indicatingthetypeofridingandsurfaceconditionintendedbydesign.Includedarespecificationsforestablishingloadsandothercriteriatobeusedwiththematchingtestmethod.1.Scope1.1ThisstandardestablishestestingrequirementsforthestructuralperformancepropertiesofCondition2bicycleframes.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandardisapplicabletoadultsizesuspensionandnon-suspensionbicycleframes.2.ReferencedDocuments2.1ASTMStandards:2F2043ClassificationforBicycleUsageF2711TestMethodsforBicycleFrames3.Terminology3.1Definitions:3.1.1bicycleframe,n—thestructuralmemberthatsupportstheseatwithrearconnectionfortherearwheel,frontconnec-tionviatheheadtubefortheforkandlowerconnectionforthecrank/pedalassembly.4.Classification4.1Condition2bicycleframe.5.PerformanceRequirements5.1ThebicycleframeshallbetestedinaccordancewiththemethodsofTestMethodsF2711,theHorizontalLoadingFatiguetest,VerticalLoadingFatiguetest,andtheImpactStrengthtest.5.1.1HorizontalLoadingFatigueTest—Theframeshallbetestedandmustcompleteaminimum50000cycleswithacyclicloadof800Ntensileand600Ncompressive.5.1.2VerticalLoadingFatigueTest—Theframeshallbetestedandmustcompleteaminimum50000cycleswithacyclicloadof1200Nto120Nloadinthecompressivedirection.5.1.3ImpactStrengthTest—Theframeshallbetestedwithadropheightof180mm,andthepermanentsetoftheframeandforkshallbelessthan40mm.6.RejectionandRehearing6....
