1、Designation: F2868 10Standard Specification forCondition 2 Bicycle Frames1This standard is issued under the fixed designation F2868; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses
2、 indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis specification standard defines a set of requirements for Condition 2 bicycle frames. Condition2 is a vehicle usage classification defined in Classifica
3、tion F2043 indicating the type of riding andsurface condition intended by design. Included are specifications for establishing loads and othercriteria to be used with the matching test method.1. Scope1.1 This standard establishes testing requirements for thestructural performance properties of Condi
4、tion 2 bicycleframes.1.2 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.3 This standard is applicable to adult size suspension andnon-suspension bicycle frames.2. Referenced Documents2.1 ASTM Standards:2F2043 Classification f
5、or Bicycle UsageF2711 Test Methods for Bicycle Frames3. Terminology3.1 Definitions:3.2 bicycle frame, nthe structural member that supportsthe seat with rear connection for the rear wheel, front connec-tion via the head tube for the fork and lower connection for thecrank/pedal assembly.4. Classificat
6、ion4.1 Condition 2 bicycle frame.5. Performance Requirements5.1 The bicycle frame shall be tested in accordance with themethods of Test Methods F2711, the Horizontal LoadingFatigue test, Vertical Loading Fatigue test, and the ImpactStrength test.5.1.1 Horizontal Loading Fatigue TestThe frame shall b
7、etested and must complete a minimum 50 000 cycles with acyclic load of 800 N tensile and 600 N compressive.5.1.2 Vertical Loading Fatigue TestThe frame shall betested and must complete a minimum 50 000 cycles with acyclic load of 1200 N to 120 N load in the compressivedirection.5.1.3 Impact Strength
8、 TestThe frame shall be tested witha drop height of 180 mm, and the permanent set of the frameand fork shall be less than 40 mm.6. Rejection and Rehearing6.1 Frames that fail to meet the requirements of thisstandard shall be rejected.7. Certification7.1 When specified in the purchase order or contra
9、ct, thepurchaser shall be furnished certification that specimens havebeen either tested or inspected as directed in this specificationand the requirements have been met. When specified in thepurchase order or contract, a report of the test results shall befurnished.8. Keywords8.1 bicycle; bike; city
10、; comfort; commuting; hybrid1This test method is under the jurisdiction of ASTM Committee F08 on SportsEquipment and Facilities and is the direct responsibility of Subcommittee F08.10 onBicycles.Current edition approved Oct. 1, 2010. Published November 2010. DOI:10.1520/F2868-10.2For referenced ASTM
11、 standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohoc
12、ken, PA 19428-2959, United States.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risko
13、f infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this
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15、ur views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).F2868 102
