K2 PROFLEX 4000 1998 VS Performance M-307 1997 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 |
Performance M-307
General Infos| Model | M-307 |
| Manufacturer | Performance |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Metallic blue |
| Sizes |
- 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) WTB Primal Raptor |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Dia-Compe PC-7 EXA Levers Dia-Compe VC-747 Brakes |
| Hubs for disc brakes | Rear: Shimano Alivio Front: King Kong 381 |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Shuhn Lih Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 Aluminum Main Triangle and chromoly Swingarm |
| Frame type | TIG-welded |
| Handlebar construction | Wisdom Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Kalloy Aluminum |
| Headset size | 1 1/8 (inches) Threadless Victor Modus VP-H200 Sealed |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Sachs SC-40 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano BB-LP26 |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Alivio |
| Gear shift levers | Sachs Wavey |
| Rear gear set | 11 - 28 Teeth 7-speed |
Performance M-307 Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Triple-clamp Crown Aluminum and chromoly |
| Fork type | RST 381L |
Other Specs of Performance M-307
| Component group sets | Shimano Alivio |
| Pedals details | Victor VP-957A With Clips & Straps |
| Rear shock absorber | 3.0 (inches) Travel Shock Works |
| Saddle seat | Selle San Marco Hovercraft |
| Seat post extension | 27.2 (millimeters) Diameter Kalloy SP-248 |
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 Performance M-307 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Performance M-307 Mountain bike here