Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 40517
| Model year | 1993 |
|---|---|
| Brand | Diamondback |
| Model | Topanga |
| Bicycle type | Mountain bike, non-suspension |
| Archive ID | 40517 |
| Original MSRP | $400.00 |
| Sizes | 14, 16, 18, 20. Womens: 16, 20. |
| Frame construction | TIG-welded steel |
|---|---|
| Frame material | Chrome-moly OS main tubes |
| Fork | Diamond Back chrome-moly |
| Component group | Shimano Altus A20 Rapidfire Plus |
|---|---|
| Shifters | Shimano Altus A20 Rapidfire Plus |
| Front derailleur | Shimano Altus C10 |
| Rear derailleur | Shimano Altus A20 |
| Crankset | Shimano Altus A20, 28/38/48 teeth |
| Rear cogs | 7-speed, 12 - 28 teeth |
| Chain | Shimano CN-UG50 |
| Pedals | Victor Zytel MTB w/cromo axle |
| Brakes | Shimano Altus C10 brakes, levers |
|---|
| Handlebar | Diamond Back |
|---|---|
| Stem | Diamond Back MTB TIG |
| Saddle | Avenir Gel Comp |
| Seatpost | Alloy 300mm w/QR |
| Hubs | Shimano alloy |
|---|---|
| Rims | Sun Metal L18, 36-hole |
| Front tire | 26 x 1.95" Avenir Vigor |
| Wheel size | 26" wheels |
| Top tube | 579.1 mm |
|---|---|
| Head-tube angle | 71° |
| Seat-tube angle | 71° |
| Chainstay / rear center | 424.2 mm |
| Wheelbase | 1077 mm |
| Fork offset / rake | 45.7 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 24, 2026.