Shimano Tiagra 4501, 2x9 speed shifters/brake levers. Shimano Ultegra 6500 Octalink bottom bracket with crank bolts. BSA thread. Shimano Ultegra HG93, 9-speed chain. Shimano 105 5501 Octalink, 2x speed chainset with 170mm long crank arms and 53/39T chainrings.
eBay