The B17 fork utilizes our patented perimeter valve technology. This complete fork includes: chrome forklegs, chrome smooth top trees, axle, stem, chrome brake caliper, hidden brake line, and a hidden hardware kit (hides axle, steering stem, and headlight bolt). The padlock brake caliper is integrated into the lower fork leg. Brake caliper may be used on right or left side interchangeably. Made with 1-7/8” (45mm) High strength steel inner tube, and 2-1/2” (63mm) high strength outer tube. Our trees are machined from 1-1/2” thick 6061-T6 aircraft grade aluminum billet.