Bicycle Archive · Specification reportBicycle Archive · Specification report2001 Diamondback Viper X · 2004 Diamondback Viper X
| Specification | 2001 Diamondback Viper X | 2004 Diamondback Viper X |
|---|---|---|
| Overview | ||
| Model year | 2001 | 2004 |
| Brand | Diamondback | Diamondback |
| Model | Viper X | Viper X |
| Bicycle type | BMX | BMX |
| Archive ID | 36060 | 31726 |
| Original MSRP | $199.99 | $165.00 |
| Colors | Back N' Black, Bonfire Orange, Chrome-Plated | Flat Black, Super Nickel |
| Sizes | Pro | 20" |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | Chromoly main triangle/hi-tensile steel rear stays | Chromoly |
| Fork | Diamondback | Diamondback |
| Fork material | Steel, unicrown crown | Hi-tensile steel, unicrown crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | N/A | N/A |
| Shifters | N/A | N/A |
| Front derailleur | N/A | N/A |
| Rear derailleur | N/A | N/A |
| Crankset | 1-piece 175mm, 44 teeth | 1-piece 175mm, 44 teeth |
| Bottom bracket | Steel retainer style | Loose ball |
| BB shell width | — | American |
| Rear cogs | 1-speed, 16 teeth | 1-speed, 16 teeth |
| Chain | KMC Z410, 1/2 x 3/32" | KMC Z410, 1/2 x 1/8" |
| Pedals | Aluminum platform | Resin, platform |
| Brakes | ||
| Brakes | Tektro 923A rear brakes, Tektro 287A rear levers | Rush U-Brake, w/detangler rear brakes, aluminum rear levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" threadless Tange Seiki TG-3 | 1 1/8" threadless FSA |
| Handlebar | Chromoly BMX | DB Riser |
| Handlebar extensions | Not included | N/A |
| Stem | Aluminum | Aluminum |
| Saddle | Padded BMX | Padded |
| Seatpost | Aluminum micro-adjust, 26.0mm diameter | Steel, 25.4mm diameter |
| Wheels & tires | ||
| Hubs | Aluminum | Aluminum |
| Rims | Alex X-303, 36-hole | Alex C303, 36-hole |
| Spoke nipples | — | Brass nipples |
| Front tire | 20 x 2.125" Tioga Comp III | 20 x 2.125" DB Knobby |
| Rear tire | 20 x 1.75" Tioga Comp III | 20 x 1.95" DB Knobby |
| Wheel size | 20" wheels | 20" wheels |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2001 Diamondback Viper X | 2004 Diamondback Viper X |
|---|---|---|
| Selected size / position | Legacy reference | Legacy reference |
| Head-tube angle | 74° | 74° |
| Seat-tube angle | 71° | 71° |
| Chainstay / rear center | 387.3 mm | 387.3 mm |
| Wheelbase | — | 957.6 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 November 12, 2026.