Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 31680
| Model year | 2004 |
|---|---|
| Brand | Diamondback |
| Model | Session |
| Bicycle type | Freestyle/jumping |
| Archive ID | 31680 |
| Original MSRP | $175.00 |
| Colors | Cammo Green, Machine Grey |
| Sizes | Expert |
| Frame construction | TIG-welded |
|---|---|
| Frame material | OS Hi-Ten |
| Fork | Lexington OS |
| Fork material | Steel |
| Rear shock | N/A |
| Component group | N/A |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | 1-piece 175mm, 39 teeth |
| Bottom bracket | Looseball |
| BB shell width | American |
| Rear cogs | 1-speed, 14 teeth |
| Chain | KMC Z410, 1/2 x 1/8" |
| Pedals | DB Bigfoot, alloy platform |
| Brakes | Rush U-Brake rear brakes, aluminum rear levers |
|---|
| Headset | 1 1/8" threadless OS Threadless |
|---|---|
| Handlebar | Db Expert |
| Handlebar extensions | N/A |
| Stem | Aluminum |
| Saddle | Diamondback BMX |
| Seatpost | Steel, 25.4mm diameter |
| Hubs | Front: steel, 14mm, Rear: steel, 3/8 |
|---|---|
| Rims | Alex C303, 48-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | Front: 20 x 2.125" DB Crazy Train, Rear: 20 x 1.95" DB Crazy Train |
| Wheel size | 20" wheels |
| Top tube | 508 mm |
|---|---|
| Head-tube angle | 74° |
| Seat-tube angle | 71° |
| Chainstay / rear center | 374.6 mm |
| Wheelbase | 927.1 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.