Bicycle Archive · Specification reportBicycle Archive · Specification report1999 Diamondback Interval · 1998 Diamondback Interval
| Specification | 1999 Diamondback Interval | 1998 Diamondback Interval |
|---|---|---|
| Overview | ||
| Model year | 1999 | 1998 |
| Brand | Diamondback | Diamondback |
| Model | Interval | Interval |
| Bicycle type | Road/sport | Road/sport |
| Archive ID | 85509 | 72421 |
| Original MSRP | $479.99 | $400.00 |
| Colors | Forest Green | Gloss black |
| Sizes | 19", 21", 23", 25" | 19", 21", 23", 25" |
| Weight | 26.5 lb | 26.6 lb |
| Frameset | ||
| Frame construction | TIG-welded | TIG-welded |
| Frame material | Chromoly | Chromoly main triangle/hi-tensile steel rear stays |
| Fork | Diamondback | Diamondback |
| Fork material | Chromoly, unicrown crown | Chromoly, unicrown crown |
| Rear shock | N/A | N/A |
| Drivetrain | ||
| Component group | Shimano RSX | Road Mix |
| Shifters | Shimano RSX STI Dual Control | Shimano RSX down-tube |
| Front derailleur | Shimano RSX top-swing, bottom-pull/clamp-on 28.6mm | Shimano RX-100 top-swing, bottom-pull/clamp-on 28.6mm |
| Rear derailleur | Shimano Alivio | Shimano RSX SS |
| Crankset | Shimano Nexave T-301, 28/38/48 teeth | Tracer 212RD, 26/36/46 teeth |
| Bottom bracket | Tien Hsin BB-7700, 116mm spindle | Shimano BB-LP26, 118mm spindle |
| BB shell width | 68mm English | 68mm English |
| Rear cogs | 7-speed, 11 - 28 teeth | 7-speed, 13 - 26 teeth |
| Chain | KMC Z-51, 1/2 x 3/32" | Sachs PC-10, 1/2 x 3/32" |
| Pedals | Wellgo aluminum | Wellgo LU-301 w/clips & straps |
| Brakes | ||
| Brakes | Shimano RX-100 Dual Pivot brakes, Shimano RSX levers | Tektro 520AG brakes, Tektro RBP-220A levers |
| Cockpit & contact points | ||
| Headset | 1" YST steel | 1" YST steel |
| Handlebar | Kalloy AL-038 | Diamondback aluminum |
| Handlebar extensions | N/A | N/A |
| Stem | JD aluminum | Diamondback |
| Saddle | Diamondback all-terrain | Avenir Comfort Master |
| Seatpost | Aluminum micro-adjust, 26.0mm diameter | Avenir aluminum micro-adjust, 26.0mm diameter |
| Wheels & tires | ||
| Hubs | Joy Tech aluminum, Q/R | Aluminum, Q/R |
| Rims | Alex DA-16, 32-hole | Alex DA-16, 32-hole |
| Spokes | Shuhn Lih stainless steel, 2.0mm straight gauge | Orient stainless steel, 2.0mm straight gauge |
| Spoke nipples | Brass nipples | Brass nipples |
| Front tire | 700 x 28c Continental Super Sport 100 | 700 x 25c Cheng Shin C-732 |
| Rear tire | 700 x 23c Continental Super Sport 100 | — |
| Wheel size | 700c wheels | 700c wheels |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 1999 Diamondback Interval | 1998 Diamondback Interval |
|---|---|---|
| Selected size / position | Legacy reference | Legacy reference |
| Head-tube angle | 72° | 73° |
| Seat-tube angle | 73.5° | 73° |
| Chainstay / rear center | 419.1 mm | 419.1 mm |
| Wheelbase | 1005.8 mm | 1016 mm |
| Fork offset / rake | 45 mm | 45 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 12, 2026.