Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 91520
| Model year | 2002 |
|---|---|
| Brand | Hoffman |
| Model | Star Dirty 1 Thirty |
| Bicycle type | Freestyle/jumping |
| Archive ID | 91520 |
| Original MSRP | $499.00 |
| Colors | Blue, Raw, Tan |
| Weight | 36 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | 4130 chromoly |
| Fork | Hoffman D130 |
| Fork material | 4130 chromoly |
| Rear shock | N/A |
| Component group | N/A |
|---|---|
| Shifters | N/A |
| Front derailleur | N/A |
| Rear derailleur | N/A |
| Crankset | 1-piece 175mm, 44 teeth |
| Bottom bracket | One piece |
| Rear cogs | 1-speed, 16 teeth |
| Chain | KMC 410, 1/2 x 1/8" |
| Pedals | Wellgo LU-313 |
| Brakes | DiaTech 996 U-brake brakes, Dia-Compe MX99 levers |
|---|
| Headset | 1 1/8" threadless Dia-Tech SBN |
|---|---|
| Handlebar | Hoffman Jumping Bars |
| Handlebar extensions | N/A |
| Stem | Custom |
| Saddle | Hoffman Padded Embossed Skull |
| Seatpost | Chromoly micro-adjust, 25.4mm diameter |
| Hubs | Front: Keyin alloy 3/8", Rear: Keyin alloy 14mm |
|---|---|
| Rims | Hoffman HighRoller, 48-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Alloy nipples |
| Front tire | 20 x 1.95" Hoffman Skid Mark |
| Wheel size | 20" wheels |
| Top tube | 528.3 mm |
|---|---|
| Head-tube angle | 74° |
| Seat-tube angle | 70° |
| Chainstay / rear center | 381 mm |
| Wheelbase | 914.4 mm |
| Fork offset / rake | 35.6 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.