Each wheel is made from spun aluminum and is lightweight. The price ranges from $675 each (18x7) up to $1,250 (22x12). Billet Specialties; (800) 245-5382; www.billetspecialties.com .

In the lobby at Nampa-based Pro Moto Billet, there's a wall covered with hanging motorcycle parts. Some are standard parts, efficiently built inside Pro Moto Billet's workshop. Others are ...