Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 77736
| Model year | 1998 |
|---|---|
| Brand | K2 |
| Model | ProFlex 4500C |
| Bicycle type | Mountain bike, front & rear suspension |
| Archive ID | 77736 |
| Original MSRP | $2,449.00 |
| Colors | Natural carbon |
| Sizes | Large, medium, way big |
| Frame construction | Laminated carbon fiber |
|---|---|
| Frame material | Carbon-reinforced thermoplastic |
| Fork | Noleen Cross-Link ELT |
| Fork material | Aluminum, linkage crown |
| Rear shock | Noleen NR-4 Piggyback, 4.0" travel |
| Component group | Shimano Deore XT |
|---|---|
| Shifters | Shimano Deore XT RapidFire SL |
| Front derailleur | Shimano Deore LX top-swing, bottom-pull/clamp-on 31.8mm |
| Rear derailleur | Shimano Deore XT SGS |
| Crankset | Shimano Deore LX, 22/32/42 teeth |
| Bottom bracket | Shimano BB-UN72, 113mm spindle |
| BB shell width | 73mm English |
| Rear cogs | 8-speed, 11 - 30 teeth |
| Chain | Sachs PC-51, 1/2 x 3/32" |
| Pedals | K2 Mag C |
| Brakes | Shimano Deore LX V-Brake brakes, Shimano Deore LX levers |
|---|
| Headset | 1 1/8" |
|---|---|
| Handlebar | Titec Enduro 141 |
| Handlebar extensions | Aluminum |
| Stem | Aluminum |
| Saddle | Selle Royal |
| Seatpost | Titec PG, 27.2mm diameter |
| Hubs | Shimano Deore LX |
|---|---|
| Rims | Sun Rims Sub 432, 32-hole |
| Spokes | DT stainless steel, 1.8mm double-butted |
| Spoke nipples | Alloy nipples |
| Front tire | 26 x 2.10" Panaracer Duster II kevlar |
| Wheel size | 26" wheels |
| Top tube | 587 mm |
|---|---|
| Head-tube angle | 70.7° |
| Seat-tube angle | 72.7° |
| Chainstay / rear center | 436 mm |
| Wheelbase | 1089 mm |
| Fork offset / rake | 44 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.