Bicycle Archive · Specification reportBicycle Archive · Specification report1998 Rocky Mountain Thin Air · 1997 Rocky Mountain Thin Air
| Specification | 1998 Rocky Mountain Thin Air | 1997 Rocky Mountain Thin Air |
|---|---|---|
| Overview | ||
| Model year | 1998 | 1997 |
| Brand | Rocky Mountain | Rocky Mountain |
| Model | Thin Air | Thin Air |
| Bicycle type | Mountain bike, front suspension | Mountain bike, front suspension |
| Archive ID | 78477 | 64750 |
| Original MSRP | $1,939.00 | $2,079.00 |
| Colors | Red | Light blue/cream |
| Sizes | 16", 17.5", 18.5", 19.5", 21" | 16", 17.5", 18.5", 19.5", 21" |
| Weight | 24.4 lb | 24.4 lb |
| Frameset | ||
| Frame construction | Welded | TIG-welded |
| Frame material | Easton Custom HBO aluminum | Easton Elite w/replaceable derailleur hanger |
| Fork | Marzocchi Bomber Z-2 | Rock Shox Judy XC |
| Fork material | Aluminum, triple-clamp crown | Magnesium, triple-clamp crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | Grip Shift ESP 9.0SL/Shimano Deore XT | Shimano Deore XT |
| Shifters | Grip Shift ESP 9.0SL | Shimano Deore XT RapidFire SL |
| Front derailleur | Shimano Deore XT top-swing, top-pull/clamp-on 31.8mm | Shimano Deore XT top-swing, top-pull/clamp-on 31.8 mm |
| Rear derailleur | Grip Shift ESP 9.0SL | Shimano Deore XT SGS |
| Crankset | Race Face Turbine LP, 22/32/44 teeth | Race Face, 22/32/44 teeth |
| Bottom bracket | Shimano BB-UN72 | Shimano BB-UN72, 107 mm spindle |
| BB shell width | — | 73mm English |
| Rear cogs | 8-speed, 11 - 30 teeth | 8-speed, 11 - 30 teeth |
| Chain | Taya TB-700, 1/2 x 3/32" | Sachs SC-M55, 1/2 x 3/32" |
| Pedals | Ritchey Expert | Ritchey Logic (clipless) |
| Brakes | ||
| Brakes | Shimano Deore XT V-Brake brakes, Grip Shift ESP 9.0 levers | Avid 1D-30 brakes, Avid SD-3.0 levers |
| Cockpit & contact points | ||
| Headset | 1 1/8" threadless Ritchey Fuzzy Logic | 1 1/8" threadless Race Face Real Seal |
| Handlebar | Syncros | Race Face |
| Handlebar extensions | Not included | Not included |
| Stem | Syncros | Syncros |
| Saddle | Selle Italia Future Race | Selle Italia |
| Seatpost | Syncros | Syncros Hardcore aluminum, 26.8 mm diameter |
| Wheels & tires | ||
| Hubs | Shimano Deore XT | Front: Shimano Deore XT suspension, Rear: Shimano Deore XT |
| Rims | Sun Rims CR17A | Sun Rims CR17A, 32-hole |
| Spokes | DT stainless steel, 2.0mm double-butted | DT stainless steel, 1.8mm straight gauge |
| Spoke nipples | — | Alloy nipples |
| Front tire | 26 x 1.95" WTB VelociRaptor 44/50 kevlar | 26 x 2.10" WTB VelociRaptor |
| Wheel size | 26" wheels | 26" wheels |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 1998 Rocky Mountain Thin Air | 1997 Rocky Mountain Thin Air |
|---|---|---|
| Selected size / position | Legacy reference | Legacy reference |
| Head-tube angle | 71° | 71° |
| Seat-tube angle | 73.5° | 73.5° |
| Chainstay / rear center | — | 422 mm |
| Wheelbase | — | 1063 mm |
| Fork offset / rake | 40.6 mm | 40.6 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 15, 2026.