Age 66.5. Weight 224 lbs. Height 5-9.5.
Plan to build a single-speed bike from the ground up.
Please tell me what I should change in this configuration. You don't have to be nice.
Thanks.

Frame - Pake French 75, 59 cm, black
Headset - Cane Creek 40.IS41 Short Cover, black
Front Hub - Miche Pista/Strada, Black, 36 holes
Spokes - DT Swiss Competition DB 2/1.8/2 mm, Black w/ 12mm nipple
Rear Hub - Miche Pista/Strada, Black, 36 holes
Tube - Kenda 700c x 28 32mm Threaded Presta
Valve Cap - Red, Al
Tire - Continental Gatorskin 700C x 28, black
Rim Tape - Velox - Fond de Jante, 19 mm
Rim - Mavic A 719, 700C, 36‑hole, black
Bottom Bracket - Miche Primato Track Bottom Bracket 68 X 107 English
Crank - Miche PRIMATO ADVANCED PISTA CRANK SET, 170 mm, 52t, black
Pedals - Shimano A530
Chain - 3/32”
Free wheel - White Industries ENO 20t
Seat Post - Miche Supertype Black Seat Post 27.2 mm, black
Clamp - Miche Racing Clamp, black
Saddle - Brooks England Men's Cambium C17 Carved
Stem - Richey Road Adjustable Stem 31.8 clamp x 100mm
Handlebars - Cinelli Mash Bullhorn Road Handlebar - 40cm, black, 31.8mm oversized clamping area
Bar Tape - Cinelli
Brake - Front/Rear - Cane Creek SL DUAL PIVOT CALIPER BRAKES, black
Brake Levers - Cane Creek CrossTop Lever 31.8MM - Black