This specification covers nonpowered trailers intended to be pulled behind bicycles to transport one or two children with accessory loads with a prescribed maximum weight. It includes methods for strength, impact drop, structural integrity in rollover, tipover resistance, single-occupant trailer, double-occupant trailer, coupling security, and system fatigue tests. The tests confirm that this specification is satisfied. The specification also prescribes colors, reflectors, and flags for conspicuity.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers a nonpowered trailer intended to be pulled behind a bicycle in order to transport one or two children with an accessory load of a maximum weight of 45.4 kg (100 lb). It includes test methods for confirming that this specification is satisfied.

1.2 The values stated in SI units are to be regarded as the standard. The units given in parentheses are for information only.

1.3 The following caveat pertains only to the test methods portion, Section 5, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Passengers Test Item 测试名称: ASTM F1975 Standard Specification for Nonpowered Bicycle Trailers Designed for Human Passengers 设计为载人的非主驱动型自行车拖车

Test Requirement 测试要求：

4.1 General
4.2 Equipment
4.3 Attachment
4.4 Dimensions
4.5
Material
Accelerated weathering (ASTM D4329-05 Cycle A 60h/ASTM G83 100 h)
Salt Spary (ASTM B117 96 h)
Mechanical properties
Flammability (16 CFR 1500.44)
Flammability for fabric(16 CFR 1500.44 & ASTM D 1230 )
5.1.1 Restraint System Test
5.1.2 Structural Integrity in Rollover
5.2 Tipover Resistance Tests
5.3 Coupling Security Test
5.4 System Fatigue Test (Axle/Frame)
5.5.1 Colors
5.5.2 Reflectors (subcontracted item)
5.5.3 Flag
6 Marking, Labeling, and Instructions

Sample Size 样品数量 / 送样规格:  2 sets of complete products, 4 pieces of each type reflector, 0.9 m2 for each texile components. 样品要求: 全套样品2套，外加每款反射器 4片，每种面料 0.9平方米
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 16 working days

Report Summary 报告摘要: