Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 80620
| Model year | 1999 |
|---|---|
| Brand | Schwinn |
| Model | Sierra GS |
| Bicycle type | Mountain bike, non-suspension |
| Archive ID | 80620 |
| Original MSRP | $369.00 |
| Colors | Metallic Dark Green/Sage Green, Metallic Lite Gold/Dark Gold |
| Sizes | L, M, S, Women's M, Women's S, Women's XS, XL, XS |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Aluminum, butted |
| Fork | Schwinn |
| Fork material | Chromoly, unicrown crown |
| Rear shock | N/A |
| Component group | Mountain Mix |
|---|---|
| Shifters | Grip Shift MRX-170 |
| Front derailleur | Shimano AceraX top-swing |
| Rear derailleur | Shimano AceraX |
| Crankset | Shimano AceraX, 22/32/42 teeth |
| Bottom bracket | Shimano cartridge |
| Rear cogs | 7-speed, 11 - 28 teeth |
| Chain | 1/2 x 3/32" |
| Pedals | Platform, resin |
| Brakes | Tektro 824A linear-pull brakes, Tektro linear-pull levers |
|---|
| Headset | 1 1/8" steel |
|---|---|
| Handlebar | Steel, 2" rise |
| Handlebar extensions | Not included |
| Stem | K2 Flexstem |
| Saddle | Schwinn Super Soft Plus |
| Seatpost | Aluminum, suspension |
| Hubs | Front: Formula aluminum, Q/R, Rear: Shimano RM40 |
|---|---|
| Rims | Alloy, 36-hole |
| Spokes | Stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | Schwinn Moab Sweet Roll |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.