Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 78590
| Model year | 1998 |
|---|---|
| Brand | Mongoose |
| Model | NX 8.5 |
| Bicycle type | Mountain bike, front & rear suspension |
| Archive ID | 78590 |
| Original MSRP | $1,630.00 |
| Colors | Polished, red |
| Sizes | Large, medium, small |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Aluminum, double-butted |
| Fork | Rock Shox Judy T2 |
| Fork material | Aluminum/magnesium, triple-clamp crown |
| Rear shock | Rock Shox Coupe Deluxe, 3.5" travel |
| Component group | Shimano Deore LX |
|---|---|
| Shifters | Shimano Deore LX RapidFire SL |
| Front derailleur | Shimano STX top-swing, top-pull |
| Rear derailleur | Shimano Deore XT SGS |
| Crankset | Shimano Deore LX, 22/32/42 teeth |
| Rear cogs | 8-speed, 11 - 30 teeth |
| Chain | Shimano CN-IG31, 1/2 x 3/32" |
| Pedals | Mongoose clipless |
| Brakes | Avid 1D-10 brakes, Avid SD-2.0 L levers |
|---|
| Headset | 1 1/8" threadless Aheadset SE-1 |
|---|---|
| Handlebar | Kore Torsion |
| Handlebar extensions | Not included |
| Stem | Kore Lite |
| Saddle | WTB SSTX, chromoly rails |
| Seatpost | Mongoose micro-adjust, 31.4mm diameter |
| Hubs | Front: Mongoose OS, Rear: Shimano STX-RC |
|---|---|
| Rims | Mavic 217 SUP |
| Spokes | DT stainless steel, 1.8mm straight gauge |
| Front tire | 26 x 2.10" WTB VelociRaptor kevlar |
| Wheel size | 26" wheels |
| Top tube | 560 mm |
|---|---|
| Chainstay / rear center | 425 mm |
| Fork offset / rake | 40.6 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.