[Code of Federal Regulations] [Title 16, Volume 2] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 16CFR1512.13] [Page 561] TITLE 16--COMMERCIAL PRACTICES CHAPTER II--CONSUMER PRODUCT SAFETY COMMISSION PART 1512--REQUIREMENTS FOR BICYCLES--Table of Contents Subpart A--Regulations Sec. 1512.13 Requirements for front fork. 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, Sec. 1512.18(k)(1), without visible evidence of fracture. Sidewalk bicycles need not meet this requirement.