Mountain Tek BOULDER 1996 VS Caloi SIGMA 1997 specs comparison
Mountain Tek Boulder
General Infos| Model | Boulder |
| Manufacturer | Mountain Tek |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and red |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) Kenda K-816 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro 371 Levers Tektro 860A Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 36-hole Kin Lin RT-6n |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Chromoly Seat Tube and hi-tensile Steel |
| Frame type | TIG-welded Steel |
| Handlebar construction | Jae Chen ATB-11 |
| Handlebar extender | Optional |
| Handlebar stem details | Meng Jing ATB-130S |
| Headset size | 1 1/8 (inches) YST 662 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | LF-712 |
| Crankset parts and sizes | 28/38/48 Teeth Dotek DK5 |
| Gear shift levers | Grip Shift Quickshift |
| Rear gear set | 14 - 24 Teeth 6-speed |
Mountain Tek Boulder Fork System Data
| Derailleur (Front) | Top-pull Shimano Tourney TY-22 |
| Derailleur (Rear) | Shimano Tourney TY-22 |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Not Available |
Other Specs of Mountain Tek Boulder
| Component group sets | Shimano Tourney TY-22 |
| Pedals details | Wellgo LU-895 |
| Rear shock absorber | Not Available |
| Saddle seat | Velo VL-161 |
| Seat post extension | 26.4 (millimeters) Diameter Steel |
Caloi Sigma
General Infos| Model | Sigma |
| Manufacturer | Caloi |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
- matte blue - polished -Matte black |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) Maxxis Gluteus Front: 26 X 2.10 (inches) Maxxis Instinct |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano STX Levers Shimano Deore LX V-Brake Brakes |
| Hubs for disc brakes | Shimano STX-RC |
| Rims manufacturer | 32-hole Weinmann Zac 19 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel |
Frame and Body Specs
| Frame materials | Alcoa 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Tranz X |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless Dia-Compe Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano BB-UN52 |
| Crankset parts and sizes | 22/32/42 Teeth Shimano STX |
| Gear shift levers | Optional |
| Rear gear set | 11 - 28 Teeth 8-speed |
Caloi Sigma Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 31.8 (millimeters) Shimano STX |
| Derailleur (Rear) | Shimano Deore LX SGS |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Caloi |
Other Specs of Caloi Sigma
| Component group sets | Shimano Deore LX and STX |
| Pedals details | Aluminum Cage With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | Caloi Avante SX |
| Seat post extension | 27.0 (millimeters) Diameter Zoom |
Useful links and guides ....
- To know more about this exacte bike, Mountain Tek provided us with the latest version of its Boulder bike manual
- Find All parts, tires and accessories of Mountain Tek Boulder Mountain bike here
- Get your Caloi Sigma manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Caloi Sigma Mountain bike here