Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 77477
| Model year | 1998 |
|---|---|
| Brand | Mongoose |
| Model | RX 7.7 |
| Bicycle type | Road race & triathlon |
| Archive ID | 77477 |
| Original MSRP | $2,055.00 |
| Colors | Blue |
| Sizes | 53 cm, 56 cm, 59 cm |
| Frame construction | Monocoque |
|---|---|
| Frame material | Carbon fiber composite |
| Fork material | Carbon fiber composite, aero crown |
| Rear shock | N/A |
| Component group | Shimano 600 Ultegra |
|---|---|
| Shifters | Shimano 600 Ultegra STI Dual Control |
| Front derailleur | Shimano 600 Ultegra, bottom-pull |
| Rear derailleur | Shimano 600 Ultegra SS |
| Crankset | Shimano 600 Ultegra, 39/53 teeth |
| Bottom bracket | Shimano BB-UN72, 109.5mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 9-speed, 12 - 23 teeth |
| Chain | Shimano CN-HG90, 1/2 x 3/32" |
| Pedals | Not included |
| Brakes | Shimano 600 Ultegra Dual Pivot brakes, Shimano 600 Ultegra levers |
|---|
| Headset | 1" sealed |
|---|---|
| Handlebar | Zoom |
| Handlebar extensions | N/A |
| Stem | Zoom Stage II |
| Saddle | Selle Italia Expedia |
| Seatpost | Mongoose micro-adjust, 27.2mm diameter |
| Hubs | Shimano 600 Ultegra |
|---|---|
| Rims | Mavic CXP 12, 32-hole |
| Spokes | DT stainless steel, 1.8mm double-butted |
| Spoke nipples | Alloy nipples |
| Front tire | 700 x 23c Hutchinson Success |
| Wheel size | 700c wheels |
| Top tube | 560 mm |
|---|---|
| Head-tube angle | 73° |
| Seat-tube angle | 74° |
| Chainstay / rear center | 406 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.