Velopedia Bicycle Archive
1993 Miyata 721
Original manufacturer specifications including Shimano RX100 drivetrain, 700c wheels, 24 lb published weight.
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What Velopedia knows
- Model year
- 1993
- Category
- Road
- Original MSRP
- $700.00
- Sizes
- 18.9, 19.7, 20.4, 21.3, 22, 22.8, 23.6, 24.8
- Weight
- 24 lb
- Geometry
- Legacy reference · Geometry context
- Record coverage
- 24 preserved details · original MSRP · preserved geometry
- Archive ID
- 44815
Frameset
| Frame Construction | Bonded aluminum |
|---|---|
| Frame Material | Miyata APA bonded aluminum |
| Fork | Full chrome-moly |
Drivetrain
| Component Group | Shimano RX100 |
|---|---|
| Shifters | Shimano RX100 downtube |
| Front Derailleur | Shimano RX100 |
| Rear Derailleur | Shimano RX100 |
| Crankset | Shimano RX100 triple, 30/42/52 teeth |
| Rear Cogs | 7-speed, 12 - 28 teeth |
| Chain | Shimano CN-HG50 |
| Pedals | MKS Radius |
Brakes
| Brakes | Shimano RX100 brakes, levers |
|---|
Cockpit & Contact Points
| Handlebar | SR Signature 430 |
|---|---|
| Stem | SR CTS120 |
| Saddle | Miyata |
| Seatpost | SR CTE101 |
Wheels & Tires
| Hubs | Shimano Exage |
|---|---|
| Rims | Araya SS-45, 32-hole |
| Front Tire | 700 x 24c Panaracer Vivezza |
| Wheel Size | 700c wheels |
Historical reference geometry
Geometry
Historical model-level geometry recovered from Velopedia’s original archive database. The source does not identify which listed frame size this reference describes, so fit interpretation is intentionally limited and no size-normalized Archive Context is generated.
| Measurement | Legacy reference |
|---|---|
| Top tube | 563.9 mm |
| Head-tube angle | 73° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 403.9 mm |
| Wheelbase | 988.1 mm |
Geometry source: Historical archive database — model-level reference geometry. The historical source provides one model-level geometry set and does not identify the corresponding frame size.
Geometry tools
Explore this historical geometry
Model-level historical reference
Period context: At 73°, the head angle sits somewhat slacker than typical among road geometries represented in Velopedia for this period. Its 73° seat angle is somewhat more relaxed than typical among the same-period road references.
Compared with 285 distinct legacy road geometries from model years 1993–1995. Only angular measurements are used because the historical reference frame size is unidentified.Parts & serviceability
Find replacement parts
More qualified parts (2)
Searches use the archived manufacturer specification, not the components currently installed on a particular bicycle. Confirm the exact model, size and fit before ordering. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases. Commercial relationships do not influence Archive specifications or analysis.
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
- BrakesTest each brake separately and confirm it stops firmly and releases cleanly. Inspect the pads and braking surfaces for wear or contamination, and check the cables or hoses for damage.Inspect the brakes →
- DrivetrainShift through every gear under light load and measure chain wear. Confirm that the shifter, derailleur, chain and cassette belong to the same 7-speed system.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
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: 1993 Miyata 721 · Road/sport · Published sizes: 18.9, 19.7, 20.4, 21.3, 22, 22.8, 23.6, 24.8
Frame and fork
Inspect the frame and fork →Archived: Frame: Bonded aluminum · Fork: Full chrome-moly
Drivetrain
Check drivetrain wear →Archived: Group: Shimano RX100 · Shifters: Shimano RX100 downtube · Front derailleur: Shimano RX100 · Rear derailleur: Shimano RX100 · Crankset: Shimano RX100 triple, 30/42/52 teeth · Rear cogs: 7-speed, 12 - 28 teeth · Chain: Shimano CN-HG50
Brakes
Inspect the brakes →Archived: Brakes: Shimano RX100 brakes, levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Araya SS-45, 32-hole · Hubs: Shimano Exage · Front tire: 700 x 24c Panaracer Vivezza
Controls and contact points
Archived: Handlebar: SR Signature 430 · Stem: SR CTS120 · Seatpost: SR CTE101 · Saddle: Miyata · Pedals: MKS Radius
Before and during the test ride
Follow the full used-bike inspection order →Build relationships are limited to the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.