K2 PROFLEX 4000 1998 VS Mongoose NX 8.1 1998 specs comparison
K2 ProFlex 4000
General Infos| Model | ProFlex 4000 |
| Manufacturer | K2 |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- red -Blue |
| Sizes |
- Large - medium - small - way big |
| Sizes |
- Large - medium - small - way big |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) Panaracer Duster II Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore XT Levers Shimano Deore XT V-Brake Brakes |
| Hubs for disc brakes | Shimano Deore LX |
| Rims manufacturer | 32-hole Sun Rims Sub 342 |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 1.8 (millimeters) Double-butted DT Stainless Steel |
Frame and Body Specs
| Frame materials | Double-butted 7000 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Titec Enduro 141 |
| Handlebar extender | Aluminum |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs PC-51 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle Shimano BB-UN72 |
| Crankset parts and sizes | 22/32/42 Teeth Shimano Deore LX |
| Gear shift levers | Shimano Deore XT RapidFire SL |
| Rear gear set | 11 - 30 Teeth 8-speed |
K2 ProFlex 4000 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Deore LX Top-swing |
| Derailleur (Rear) | Shimano Deore XT SGS |
| Fork material | Linkage Crown Aluminum |
| Fork type | Noleen Cross-Link ELT |
Other Specs of K2 ProFlex 4000
| Component group sets | Shimano Deore XT |
| Pedals details | K2 Mag C |
| Rear shock absorber | 4.0 (inches) Travel K2 Smart Shock |
| Saddle seat | Selle Royal |
| Seat post extension | 27.2 (millimeters) Diameter Titec PG |
Mongoose NX 8.1
General Infos| Model | NX 8.1 |
| Manufacturer | Mongoose |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- green - polished -Blue |
| Sizes |
- Large - medium - small |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) Tioga Psycho TT Front: 26 X 2.10 (inches) Tioga Edge |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Rear: Shimano STX-RC Front: Mongoose OS |
| Rims manufacturer | Weinmann Zac 19 |
| Spoke nipples type | Not Available |
| Spoke wheel | 1.8 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Double-butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Mongoose Comp |
| Handlebar extender | Optional |
| Handlebar stem details | Mongoose |
| Headset size | 1 1/8 (inches) Threadless Tioga |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/42 Teeth Shimano Alivio |
| Gear shift levers | Shimano STX-RC RapidFire SL |
| Rear gear set | 11 - 30 Teeth 8-speed |
Mongoose NX 8.1 Fork System Data
| Derailleur (Front) | Top-pull Shimano STX Top-swing |
| Derailleur (Rear) | Shimano STX-RC |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | Rock Shox Indy C |
Other Specs of Mongoose NX 8.1
| Component group sets | Mountain Mix |
| Pedals details | Aluminum Cage With Clips & Straps |
| Rear shock absorber | 3.5 (inches) Travel Rock Shox Deluxe |
| Saddle seat | Mongoose |
| Seat post extension | 31.4 (millimeters) Diameter Mongoose Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, K2 provided us with the latest version of its ProFlex 4000 bike manual
- Find All parts, tires and accessories of K2 ProFlex 4000 Mountain bike here
- Get your Mongoose NX 8.1 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Mongoose NX 8.1 Mountain bike here