Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 86751
| Model year | 1999 |
|---|---|
| Brand | Diamondback |
| Model | Topanga SE |
| Bicycle type | Mountain bike, front suspension |
| Archive ID | 86751 |
| Original MSRP | $499.99 |
| Colors | Cayman Blue, Rio Red/Onyx |
| Sizes | 14", 16", 18", 20", 22" |
| Weight | 27.5 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | 7005 aluminum w/replaceable derailleur hanger |
| Fork | Rock Shox Jett C, 1.8" travel |
| Fork material | Aluminum/magnesium, triple-clamp crown |
| Rear shock | N/A |
| Component group | Shimano Alivio |
|---|---|
| Shifters | Shimano Alivio RapidFire SL |
| Front derailleur | Shimano AceraX top-swing, top-pull/clamp-on 31.8mm |
| Rear derailleur | Shimano Alivio |
| Crankset | Shimano AceraX, 22/32/42 teeth |
| Bottom bracket | Shimano BB-LP27, 110mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 8-speed, 11 - 30 teeth |
| Chain | Shimano CN-IG51, 1/2 x 3/32" |
| Pedals | Wellgo LU-983D |
| Brakes | Lee Chi ProMax linear-pull brakes, Lee Chi ProMax levers |
|---|
| Headset | 1 1/8" threadless Aheadset STS |
|---|---|
| Handlebar | Lee Chi |
| Handlebar extensions | N/A |
| Stem | JD aluminum |
| Saddle | Diamondback Sport |
| Seatpost | Aluminum micro-adjust, 27.2mm diameter |
| Hubs | Front: Shimano AceraX, Rear: Shimano Alivio |
|---|---|
| Rims | Alex VP-20F, 32-hole |
| Spokes | Shuhn Lih stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | Front: 26 x 1.95" Kenda K-877, Rear: 26 x 1.95" Kenda K-887 |
| Wheel size | 26" wheels |
| Top tube | 571.5 mm |
|---|---|
| Head-tube angle | 71.5° |
| Seat-tube angle | 74° |
| Chainstay / rear center | 424.2 mm |
| Wheelbase | 1064.3 mm |
| Fork offset / rake | 38.6 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.