Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 76768
| Model year | 1998 |
|---|---|
| Brand | Diamondback |
| Model | Viper |
| Bicycle type | BMX |
| Archive ID | 76768 |
| Original MSRP | $175.00 |
| Colors | Blue w/chrome-plated fork, chrome-plated, flat blue w/chrome-plated fork, flat grey w/chrome-plated fork, orange w/chrome-plated fork |
| Sizes | Pro XL |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Chromoly main triangle/hi-tensile steel rear stays |
| Fork | Diamondback |
| Fork material | Hi-tensile steel, unicrown crown |
| Rear shock | N/A |
| Component group | N/A |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | 1-piece 6 1/2", 44 teeth |
| Bottom bracket | YST BB 621 |
| BB shell width | American 24tpi |
| Rear cogs | 1-speed, 16 teeth |
| Chain | Taya 410, 1/2 x 1/8" |
| Pedals | Platform, resin |
| Brakes | Lee Chi ProMax linear-pull brakes, Lee Chi ProMax levers |
|---|
| Headset | 1" YST steel |
|---|---|
| Handlebar | Hsin Lung steel |
| Handlebar extensions | N/A |
| Stem | Hi-tensile steel |
| Saddle | Diamondback padded |
| Seatpost | Pillar, steel, 25.4mm diameter |
| Hubs | King Kong aluminum, nutted |
|---|---|
| Rims | Kin Lin RT-6n, 36-hole |
| Spokes | Shuhn Lih steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | Front: 20 x 2.125" Comp III style, Rear: 20 x 1.75" Comp III style |
| Wheel size | 20" wheels |
| Top tube | 533.4 mm |
|---|---|
| Head-tube angle | 75° |
| Seat-tube angle | 71° |
| Chainstay / rear center | 393.7 mm |
| Wheelbase | 967.7 mm |
| Fork offset / rake | 30.5 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.