Schwinn SIERRA GS 1999 VS Giant BOULDER 1999 specs comparison
Schwinn Sierra GS
General InfosModel | 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 |

Giant Boulder
General InfosModel | Boulder |
Manufacturer | Giant |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice | - Red-Grey |
Sizes | - 14.5 (inches)- 17.5 (inches)- 19.5 (inches)- 21.5 (inches)- 23.5 (inches)- womens 14.5 (inches)- womens 17.5 (inches)- womens 19.5 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 1.95 (inches) CST |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Alloy Direct Pull LeversDirect Pull With Linear Spring Brakes |
Hubs for disc brakes | Q and R Rear: Shimano Altus CassetteFront: Aluminum |
Rims manufacturer | Single WallAlloy |
Spoke nipples type | Not Available |
Spoke wheel | 2.0 (millimeters)Stainless Steel |
Frame and Body Specs
Frame materials | Chromoly Main Triangle and hi-tensile Steel Rear Stays |
Frame type | TIG-welded |
Handlebar construction | 30 (millimeters) RiseSteel MTB |
Handlebar extender | Not Available |
Handlebar stem details | 40-degree RiseSteel MTB |
Headset size | 1 (inches) Steel With Water Seal |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z-51 |
Bottom bracket shell width | Not Available |
Bottom bracket type | AdjustableSteel |
Crankset parts and sizes | 22/32/42 TeethSR XR17 |
Gear shift levers | Grip Shift |
Rear gear set | 11 - 28 Teeth7-speed |
Giant Boulder Fork System Data
Derailleur (Front) | Bottom-pull and bottom Bracket MountShimano Tourney |
Derailleur (Rear) | Shimano Acera |
Fork material | Unicrown CrownChromoly |
Fork type | Giant |
Other Specs of Giant Boulder
Component group sets | Mountain Mix |
Pedals details | MTB Nylon |
Rear shock absorber | Not Available |
Saddle seat | Giant MTB Comfort |
Seat post extension | 250 (millimeters) 27.2 (millimeters) DiameterAlloy |
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 Giant Boulder manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Giant Boulder Mountain bike here