Estimate uses the published front tire 700C×25 · nominal 25-622 as a proxy, corroborated by the wheel size. Rear tire size is not published or verified. Approximate circumference; actual rollout varies with tire and pressure. Theoretical, not a maximum achievable speed.
Velopedia Bicycle Archive
1995 Boulder Bikes Tourstar
Original specifications: Shimano RSX STI drivetrain · 700c wheels · 24.4 lb published weight.
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At a glance
- Model year
- 1995
- Category
- Touring
- Original MSRP
- $2,699.00
- Sizes
- 52 cm, 54 cm, 56 cm, 58 cm, 60 cm, custom
- Colors
- Black, Custom, Dark Blue, Green, White
- Weight
- 24.4 lb
- Geometry
- Legacy reference
- In this record
- 24 specifications · original MSRP · geometry
- Archive ID
- 36003
Model history 1 other year
Original buildChromoly, double-butted, oversize · Shimano RSX STI · 700c wheels
Frameset
| Frame Construction | TIG-welded steel |
|---|---|
| Frame Material | Chromoly, double-butted, oversize |
| Fork | RST 702 |
| Fork Material | Aluminum/chromoly, triple-clamp crown |
Drivetrain
| Component Group | Shimano RSX STI |
|---|---|
| Shifters | Shimano RSX STI Dual Control |
| Front Derailleur | Shimano RSX (triple), bottom-pull/clamp-on 31.8 mm |
| Rear Derailleur | Shimano RSX |
| Crankset | Shimano RSX, 30/42/52 teeth |
| Rear Cogs | 8-speed, 12 - 28 teeth |
| Chain | Shimano CN-HG90, 1/2 x 3/32" |
| Pedals | Not included |
Brakes
| Brakes | Shimano Deore LX M-System brakes, Shimano RSX levers |
|---|
Cockpit & Contact Points
| Headset | 1" Shimano 600 Ultegra |
|---|---|
| Handlebar | TTT Forma 44 |
| Stem | TTT 84 |
| Saddle | Selle San Marco Concor Lite |
| Seatpost | Kalloy Uno, 27.2 mm diameter |
Wheels & Tires
| Hubs | Shimano RSX |
|---|---|
| Rims | Mavic Open 4 CD, 32-hole |
| Spokes | DT stainless steel, 1.8 mm double butted |
| Spoke Nipples | Brass nipples |
| Front Tire | 700 x 25c Specialized Transition Armadillo |
| Wheel Size | 700c wheels |
Geometry
Model-level measurements; the frame size was not recorded. Use these as a historical reference, not for size-specific fit.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurementsLegacy reference · 6 measurements
| Measurement | Legacy reference |
|---|---|
| Top tube | 560 mm |
| Head-tube angle | 73° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 410 mm |
| Wheelbase | 990 mm |
| Fork offset / rake | 38.1 mm |
The preserved source contains one model-level geometry set without an identified frame size.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 1995 Boulder Bikes Tourstar · Touring · Published sizes: 52 cm, 54 cm, 56 cm, 58 cm, 60 cm, custom
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded steel · Fork: RST 702 · Aluminum/chromoly, triple-clamp crown
Drivetrain
Check drivetrain wear →Archived: Group: Shimano RSX STI · Shifters: Shimano RSX STI Dual Control · Front derailleur: Shimano RSX (triple), bottom-pull/clamp-on 31.8 mm · Rear derailleur: Shimano RSX · Crankset: Shimano RSX, 30/42/52 teeth · Rear cogs: 8-speed, 12 - 28 teeth · Chain: Shimano CN-HG90, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano Deore LX M-System brakes, Shimano RSX levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Mavic Open 4 CD, 32-hole · Hubs: Shimano RSX · Front tire: 700 x 25c Specialized Transition Armadillo
Controls and contact points
Archived: Headset: 1" Shimano 600 Ultegra · Handlebar: TTT Forma 44 · Stem: TTT 84 · Seatpost: Kalloy Uno, 27.2 mm diameter · Saddle: Selle San Marco Concor Lite · Pedals: Not included
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.