Schwinn SIERRA GS 1999 VS Kona UNIT 2-9 2007 specs comparison
Schwinn Sierra GS
General Infos| Model | Sierra GS |
| Manufacturer | Schwinn |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice | - Metallic Lite Gold and Dark Gold-Metallic Dark Green and Sage Green |
| Sizes | - L - M - S - Women's M - Women's S - Women's XS - XL - XS |
| Sizes | - L - M - S - Women's M - Women's S - Women's XS - XL - XS |
Wheels And Breaking System
| Bike front tire | Schwinn Moab Sweet Roll |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Tektro Linear-pull LeversTektro 824A Linear-pull Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano RM40Front: Formula Aluminum |
| Rims manufacturer | 36-holeAlloy |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | ButtedAluminum |
| Frame type | TIG-welded |
| Handlebar construction | 2 (inches) RiseSteel |
| Handlebar extender | Optional |
| Handlebar stem details | K2 Flexstem |
| Headset size | 1 1/8 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Cartridge |
| Crankset parts and sizes | 22/32/42 TeethShimano AceraX |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 11 - 28 Teeth7-speed |
Schwinn Sierra GS Fork System Data
| Derailleur (Front) | Shimano AceraX Top-swing |
| Derailleur (Rear) | Shimano AceraX |
| Fork material | Unicrown CrownChromoly |
| Fork type | Schwinn |
Other Specs of Schwinn Sierra GS
| Component group sets | Mountain Mix |
| Pedals details | ResinPlatform |
| Rear shock absorber | Not Available |
| Saddle seat | Schwinn Super Soft Plus |
| Seat post extension | SuspensionAluminum |
Kona Unit 2-9
General Infos| Model | Unit 2-9 |
| Manufacturer | Kona |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice | -Purple |
| Sizes | - 16 (inches)- 18 (inches)- 19 (inches)- 20 (inches)- 22 (inches) |
Wheels And Breaking System
| Bike front tire | 29 X 2.10 (inches) Maxxis Ignitor 29x2.1 |
| Bike rear tire | Not Available |
| Bike wheel size | 29 (inches) Wheels |
| Brakeset type | Avid FR-5 LeversAvid BB-7 Disc Front and Avid BB-7 Disc Rear Brakes |
| Hubs for disc brakes | Rear: KK Single Speed DiscFront: KK Disc |
| Rims manufacturer | Sun CR-18 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. DT Swiss Stainless Steel |
Frame and Body Specs
| Frame materials | Dedacciai COM Butted Cromoly |
| Frame type | TIG-welded |
| Handlebar construction | Easton EA30 OS |
| Handlebar extender | Optional |
| Handlebar stem details | Easton EA30 OS |
| Headset size | 1 1/8 (inches) Threadless TH |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC Z610 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA Mega EXO |
| Crankset parts and sizes | 34 TeethFSA V-Drive Mega EXO SS |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth1-speed |
Kona Unit 2-9 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownSteel |
| Fork type | Kona Project Two 29er Disc |
Other Specs of Kona Unit 2-9
| Component group sets | Single Speed Mix |
| Pedals details | Shimano PD-M505 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Laser V Comp |
| Seat post extension | Easton EA30 |
Useful links and guides ....
- To know more about this exacte bike, Schwinn provided us with the latest version of its Sierra GS bike manual
- Find All parts, tires and accessories of Schwinn Sierra GS Mountain bike here
- Get your Kona Unit 2-9 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Unit 2-9 Mountain bike here