16 C.F.R. § 1512.13 Requirements for front fork.
Title 16 - Commercial Practices
The front fork shall be tested for strength by application of at least 39.5 J (350 in-lb) of energy in accordance with the fork test, §1512.18(k)(1), without visible evidence of fracture. Sidewalk bicycles need not meet this requirement.
Title 16: Commercial Practices
PART 1512—REQUIREMENTS FOR BICYCLES
Subpart A—Regulations
§ 1512.13 Requirements for front fork.
