Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 85493
| Model year | 1999 |
|---|---|
| Brand | Nishiki |
| Model | Optima SC |
| Bicycle type | City/commuter |
| Archive ID | 85493 |
| Original MSRP | $304.99 |
| Colors | Champagne Vapor (White) |
| Sizes | 14.5", 16.5", 18", 20", 22", 24", womens 16", womens 19" |
| Weight | 31 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Chromoly/hi-tensile steel |
| Fork | Nishiki |
| Fork material | Hi-tensile steel, unicrown crown |
| Rear shock | N/A |
| Component group | Hybrid Mix |
|---|---|
| Shifters | Shimano Revo TY-40 |
| Front derailleur | Shimano AceraX top-swing, bottom-pull/clamp-on 28.6mm |
| Rear derailleur | Shimano AceraX |
| Crankset | Shimano AceraX, 24/34/42 teeth |
| Bottom bracket | Victor VPB-33, 117.5mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 7-speed, 11 - 28 teeth |
| Chain | KMC Z-51, 1/2 x 3/32" |
| Pedals | Victor VP-806 |
| Brakes | Tektro 824A linear-pull brakes, Tektro 379A levers |
|---|
| Headset | 1 1/8" Victor VP-H67 |
|---|---|
| Handlebar | Aluminum |
| Handlebar extensions | Not included |
| Stem | Aluminum, adjustable |
| Saddle | Selle Stratos Hyper Expert Duo-Compound Lycra Comfort |
| Seatpost | Aluminum, suspension, 26.0mm diameter |
| Hubs | Shimano RM40 |
|---|---|
| Rims | Weinmann 519, 36-hole |
| Spokes | Chung Nan stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | 26 x 1.95" Kenda K-847 |
| Wheel size | 26" wheels |
| Top tube | 563.9 mm |
|---|---|
| Head-tube angle | 70.5° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 436.9 mm |
| Wheelbase | 1054.1 mm |
| Fork offset / rake | 43.9 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.