• Shimano Ultegra Road Triple 9-speed FC-6503 Alloy 172.5mm Right Hand Crankarm, one key crank bolt unit and original chainring bolts, ONLY. 
• Hollowtech forged hollow alloy arm and V1 Octalink BB specs.
• 9/16" pedal threads.
• Use rings with a bcd of 74mm and 130mm.
• 369 grams/13.0oz.
• Made in Japan quality from 1998.
  
• CSP099.