Bicycle Archive · Specification reportBicycle Archive · Specification report2001 Diamondback Reactor · 1999 Diamondback Reactor
| Specification | 2001 Diamondback Reactor | 1999 Diamondback Reactor |
|---|---|---|
| Overview | ||
| Model year | 2001 | 1999 |
| Brand | Diamondback | Diamondback |
| Model | Reactor | Reactor |
| Bicycle type | BMX | BMX |
| Archive ID | 36055 | 81267 |
| Original MSRP | $429.99 | $424.99 |
| Colors | Black Eye Blue | Ball-Burnished, Orange |
| Sizes | Pro | Pro XL |
| Weight | — | 27.8 lb |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | 7005 aluminum | 6061 T6 aluminum |
| Fork | Diamondback RMX | Diamondback |
| Fork material | Chromoly, unicrown crown | Chromoly, 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 | 3-piece chromoly 180mm, 44 teeth | Diamondback, 44 teeth |
| Bottom bracket | Sealed | Diamondback |
| BB shell width | — | 68mm Threadless |
| Rear cogs | 1-speed, 16 teeth | 1-speed, 16 teeth |
| Chain | KMC HP-20, 1/2 x 3/32" | KMC HP-20, 1/2 x 3/32" |
| Pedals | Aluminum platform | Platform, aluminum |
| Brakes | ||
| Brakes | Tektro 920A rear brakes, Tektro 311A rear levers | Tektro linear-pull rear brakes, Tektro alloy linear-pull rear levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" threadless Tange Seiki TG-3 | 1 1/8" threadless Tioga TG |
| Handlebar | Chromoly BMX | Diamondback 4130 chromoly |
| Handlebar extensions | Not included | N/A |
| Stem | Aluminum | Forged alloy ahead |
| Saddle | RMX padded | Padded saddle |
| Seatpost | Aluminum micro-adjust, 27.0mm diameter | Alloy, 27.0mm diameter |
| Wheels & tires | ||
| Hubs | RMX aluminum sealed bearing | Diamondback Slasher |
| Rims | Alex X-303, 36-hole | Mavic double wall, 36-hole |
| Spokes | — | Shuhn Lih stainless steel, 2.0mm straight gauge |
| Spoke nipples | — | Brass nipples |
| Front tire | 20 x 2.125" Tioga Comp III | 20 x 2.125" Ritchey Speed Max |
| Rear tire | 20 x 1.75" Tioga Comp III | 20 x 1.95" Ritchey Speed Max |
| 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 Reactor | 1999 Diamondback Reactor |
|---|---|---|
| Selected size / position | Legacy reference | Legacy reference |
| Head-tube angle | 74° | 75° |
| Seat-tube angle | 71° | 71° |
| Chainstay / rear center | 381 mm | 393.7 mm |
| Wheelbase | — | 965.2 mm |
| Fork offset / rake | — | 20 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.