https://khsbicycles.com/bikes/2021-khs-models/expr...
| Frame | 6061 Aluminum Folding | 
| Fork | Hi-Tensile Unicrown | 
| Headset | Threaded 1-1/8” | 
| Rims | Aluminum 16”, 28H | 
| Hub, Front | Aluminum Nutted | 
| Hub, Rear | Aluminum Nutted | 
| Tires | 16x1.75” Street | 
| Spokes | 14G, 28x28 | 
| Derailleur, Front | n/a | 
| Derailleur, Rear | Shimano RD-FT35 | 
| Shifter | Shimano Revo | 
| Chain | KMC Z6 | 
| Crankset | Prowheel Forged Aluminum, 40T w/Dual Guard | 
| BB | Square Taper | 
| Freewheel | Shimano MF-TZ500, 14-28T 6-Speed |