1、Designation:F204313An American National StandardStandard Classification forBicycle Usage1This standard is issued under the fixed designation F2043;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
2、parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This classification covers bicycle usage conditions and amethod of identifying bicycles and components for use withinthat system.1.2 The values state
3、d in SI units are to be regarded as thestandard.The values in parentheses are for information only.2.Referenced Documents2.1 Federal Standard:216 CFR 1512 Title 16Commercial Practices,Chapter11Consumer Product Safety Commission,Part 1512Requirements for Bicycles3.Terminology3.1 Definitions:3.1.1 aft
4、ermarket,ncomponents intended for use on abicycle but not included as original equipment with the bicycle.3.1.2 bicycle,ntwo-wheeled,single-track,articulated ve-hicle with pedals and seat that is solely human powered.3.1.3 components,ndevices or equipment added to abicycle frame to render it a compl
5、ete,functional unit(forexample,brakes,shifters,gears,and so forth).3.1.4 conditions,ngeneralized description of surface en-vironments or speeds where a bicycle may be ridden.3.1.5 drop,nevent when only a single wheel leaves theground at a time for a lower elevation in which the height of thedrop is
6、the maximum height above the landing surface of thelowest spot on the tire.3.1.6 jump,nevent when both bicycle wheels leave theground in which the height of a jump is the maximum heightabove ground of the lowest point of the higher wheel whenboth wheels are off the ground.3.1.7 sidewalk bicycle,nbic
7、ycle meeting the definition ofa sidewalk bicycle as defined in 16 CFR 1512.3.1.8 technical skill,nadvanced riding technique thatrequires rapid changes in speed,direction,and balance.4.Significance and Use4.1 This classification provides a uniform set of usagedefinitions within the bicycle industry.I
8、ncluded within thisclassification is a set of graphical indicators to provide retailersand consumers with an indication of the intended use of aparticular bicycle or aftermarket components.5.Basis of Classification5.1 Uses:5.1.1 Condition 0This is a set of conditions for operationof a childrens bicy
9、cle under appropriate parental supervisionin a manner consistent with the childs bicycling skills.Bicycles intended for this use are“sidewalk bicycles.”Inaddition,bicycles intended for this condition are limited toriders at least three years old and weighing less than 36 kg(80lb).Bicycles intended f
10、or this use classification shall beidentified in accordance with the labeling requirements ofSection 6 using the graphical symbol(icon)illustrated in Fig.1.The icon in this figure is black on a white background witha black border.5.1.2 Condition 1This is a set of conditions for theoperation of a bic
11、ycle on a regular paved surface where thetires are intended to maintain ground contact.Bicycles in-tended for this use classification shall be identified in accor-dance with the labeling requirements of Section 6 using thegraphical symbol(icon)illustrated in Fig.2.The icon in thisfigure is green on
12、a white background with a black border.5.1.3 Condition 2This is a set of conditions for theoperation of a bicycle that includes Condition 1 as well asunpaved and gravel roads and trails with moderate grades.Inthis set of conditions,contact with irregular terrain and loss oftire contact with the grou
13、nd may occur.Drops are intended tobe limited to 15 cm(6 in.)or less.Bicycles intended for thisuse classification shall be identified in accordance with thelabeling requirements of Section 6 using the graphical symbol(icon)illustrated in Fig.3.The icon in this figure is green on awhite background wit
14、h a black border.5.1.4 Condition 3This is a set of conditions for operationof a bicycle that includes Condition 1 and Condition 2 as well1This classification is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilitiesand is the direct responsibility ofSubcommit
15、tee F08.10 on Bicycles.Current edition approved Nov.1,2013.Published December 2013.Originallyapproved in 2000.Last previous edition approved in 2009 as F2043 09.DOI:10.1520/F2043-13.2Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washingt
16、on,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 as rough trails,rough unpaved roads,and rough terrain andunimproved trails that require technical skills.Jumps and dropsare intended to be less than 61 cm(24 in.).Bicycles intendedfor this use classification shall be identified in accordance withthe labeling requirements of Section 6 using the graphicalsymbol(icon)illustrated in Fig.4.The icon in this
