Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 18995
| Model year | 2009 |
|---|---|
| Brand | Diamondback |
| Model | Viper |
| Bicycle type | BMX |
| Archive ID | 18995 |
| Colors | Yellow, Nickel |
| Sizes | 19.5" TT |
| Frame construction | TIG-welded |
|---|---|
| Frame material | High-Tensile steel |
| Fork material | High-tensile steel, unicrown crown |
| Rear shock | N/A |
| Component group | BMX |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | 1-piece steel, 44 teeth |
| Bottom bracket | Loose ball |
| Cassette | Freewheel |
| Rear cogs | 1-speed, 16 teeth |
| Chain | KMC Z410, 1/2 x 1/8" |
| Pedals | Resin platform |
| Brakes | Rush linear rear brakes, Rush RX2.1 rear levers |
|---|
| Headset | 1 1/8" FSA Threadless |
|---|---|
| Handlebar | Hi-Ten 2-piece |
| Handlebar extensions | Not included |
| Stem | Alloy 4-bolt |
| Saddle | DB BMX padded |
| Seatpost | Steel pillar |
| Hubs | Steel 3/8" axle |
|---|---|
| Rims | Aluminum, 36-hole |
| Spokes | 14ga. (2.0mm) |
| Front tire | Front: 20 x 2.125" Comp III style, Rear: 20 x 1.75" Comp III style |
| Wheel size | 20" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 25, 2026.