Bicycle Archive · Specification reportBicycle Archive · Specification report2002 Diamondback Impression · 2004 Diamondback Impression
| Specification | 2002 Diamondback Impression | 2004 Diamondback Impression |
|---|---|---|
| Overview | ||
| Model year | 2002 | 2004 |
| Brand | Diamondback | Diamondback |
| Model | Impression | Impression |
| Bicycle type | Juvenile | Juvenile |
| Archive ID | 91771 | 31705 |
| Original MSRP | $130.00 | $110.00 |
| Colors | Blue, Pink | Pink-a-licious, Teal-a-riffic |
| Sizes | Juvenile | 20" |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | Hi-tensile steel | Hi-tensile steel |
| Fork material | Hi-tensile 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 5 1/2", 36 teeth | OPC w/chainguard |
| Bottom bracket | Steel | One piece |
| BB shell width | American | — |
| Rear cogs | 1-speed, 17 teeth | 1-speed, 18 teeth |
| Chain | KMC Z-410, 1/2 x 1/8" | KMC, 1/2 x 1/8" |
| Pedals | Wellgo LU-205 | BMX style resin |
| Brakes | ||
| Brakes | Aluminum linear-pull rear brakes, aluminum rear levers | Coaster w/aluminum linear-pull rear |
| Cockpit & contact points | ||
| Headset | 1" steel | 1" steel |
| Handlebar | Steel BMX | BMX Style w/crossbar |
| Handlebar extensions | N/A | N/A |
| Stem | Steel | Steel |
| Saddle | Diamondback BMX | Diamondback BMX Padded |
| Seatpost | Steel, chrome plated, 25.6mm diameter | Steel Pillar |
| Wheels & tires | ||
| Hubs | Front: steel, nutted, Rear: steel, coaster brake | Front: steel, nutted, Rear: steel, coaster brake |
| Rims | Steel, 36-hole | Aluminum, 36-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge | UCP, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Brass nipples | Brass nipples |
| Front tire | 20 x 1.75" Kenda K-63 | 16 x 1.75" DB Smooth Tread |
| Wheel size | 20" wheels | 16" wheels |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2002 Diamondback Impression | 2004 Diamondback Impression |
|---|---|---|
| Selected size / position | Legacy reference | Legacy reference |
| Head-tube angle | 71° | 71° |
| Seat-tube angle | 69° | 71° |
| Chainstay / rear center | 374.6 mm | — |
| Wheelbase | 894.1 mm | — |
| Fork offset / rake | 30.5 mm | 30.5 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 13, 2026.