1、Designation:F291811(Reapproved 2015)An American National StandardStandard Test Method forWeighing a Bicycle1This standard is issued under the fixed designation F2918;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re
2、vision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers requirements for weighing andmarketing bicycles,including all adult,and childrens bicycles.1.2 This standa
3、rd may contain test methods that do notentirely simulate real life situations.The test methods aredesigned to give reproducible results in a laboratory and,thereby,a means for product comparison.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are include
4、d in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.
5、2.Referenced Documents2.1 ASTM Standards:2E4 Practices for Force Verification of Testing Machines3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 aftermarket,ncomponents intended to be fitted to abicycle but not included as original equipment with the bicycle.3.1.2 as-sold bicyc
6、le weight,nthe weight of the completebicycle with all original equipment as sold to the customerminus any packaging materials and aftermarket accessories.Examples of potential original equipment includes:kickstand,reflectors,chain guards,racks,fenders,pedals,water bottlesand cages,etc.3.1.3 bicycle,
7、ntwo-wheeled,single-track,articulated ve-hicle that is solely human powered.3.1.4 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.3.1.5 minimum bicycle
8、 weight,nthe combined weight ofthe frame and components necessary to ride the bicycle,andchange gears(if bicycle is multi-speed),minus the pedals.Handlebars,stem,brakes,seat,seatpost,and any handlebarcoverings are to be included.3.1.6 size,nthe marketed representation of the bicycleframe dimensions
9、that may or may not be determinable frommeasurement.Examples of sizes are:small,medium,large,19inch,21 inch,56 cm,58 cm.4.Summary of Test Method4.1 Representative samples of bicycles are weighed on acalibrated scale,using two methods.5.Significance and Use5.1 The minimum and as-sold weight of a bicy
10、cle areproperties used by consumers to evaluate bicycles.The weightmay also be used for specifications,manufacturing standards,and quality control.6.Apparatus6.1 Calibrated Scale,within the weight range of the bicycle.7.Sampling,Test Specimens,and Test Units7.1 Test specimens shall be new and in unu
11、sed condition,selected randomly from a production lot of a given model ofbicycle.The bicycle shall conform in all respects to themanufacturers specifications for the model to be tested with allseals,fluids,and lubricants in place.At least one sample ofeach size bicycle is required.If multiple sample
12、s of the samesize are measured,the average is to be reported.8.Calibration and Standardization8.1 Test equipment is to be in compliance with Practices E4and other requirements specific to the equipment.9.Conditioning9.1 Bicycle weight testing does not require conditioning.1This test method is under
13、the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilities and is the direct responsibility ofSubcommittee F08.10 on Bicycles.Current edition approved Oct.1,2015.Published November 2015.Originallyapproved in 2011.Last previous edition approved in 2011 as F2918 11.DOI:1
14、0.1520/F2918-11R15.2For referenced ASTM 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.Copyright ASTM International,100 Barr Harbor Dr
15、ive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 10.Procedure10.1 Minimum Bicycle WeightWeigh bicycle,withoutpedals on the calibrated scale.Record the weight to the nearest10 g.10.1.1 Take a digital photo of the bicycle as tested.10.2 As-Sold Bicycle WeightWeigh bicycle,complete withal
16、l accessories minus packaging,as sold,on a calibrated scale.Record the weight to the nearest 10 g.10.2.1 Take a digital photo of the bicycle as tested.10.3 Record the serial number of the bicycle tested.11.Report11.1 Report the following information(see Fig.1):11.1.1 Name of the bicycle manufacturer,11.1.2 Model,size,and serial number of bicycle tested,11.1.3 Date and location of the tests,11.1.4 Name(s)of the personnel conducting the tests,11.1.5 Whether the bicycle is a production model or apr
