Bicycle Archive · Specification reportVelopedia Archive ID 87888
| Model year | 1999 |
|---|---|
| Brand | AMP Research |
| Model | B4 |
| Bicycle type | Mountain bike, front & rear suspension |
| Archive ID | 87888 |
| Original MSRP | $2,065.00 |
| Colors | Candy Apple Red, Polished |
| Sizes | Large, medium, small, xsmall |
| Weight | 24.3 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Alcoa Alcalyte 6013 T6 aluminum |
| Fork | AMP Research F3 XC, 2.25" travel |
| Fork material | Alcoa Alcalyte 6013 T6 aluminum, linkage crown |
| Rear shock | AMP Research, 3.0" travel |
| Component group | Shimano Deore XT |
|---|---|
| Shifters | Shimano Deore XT RapidFire SL |
| Front derailleur | Shimano Deore XT, bottom-pull/clamp-on 35.0mm |
| Rear derailleur | Shimano Deore XT GS |
| Crankset | Shimano Deore XT, 22/32/44 teeth |
| Bottom bracket | Shimano Deore XT, 110.5mm spindle |
| BB shell width | 68mm Threadless |
| Rear cogs | 9-speed, 11 - 34 teeth |
| Chain | Shimano CN-IG90, 1/2 x 3/32" |
| Pedals | Platform |
| Brakes | AMP D1 Hydraulic Disc Brake System brakes, Shimano Deore XT levers |
|---|
| Headset | 1 1/8" threadless Ritchey Logic |
|---|---|
| Handlebar | Hsin Lung aluminum |
| Handlebar extensions | Not included |
| Stem | Hsin Lung aluminum |
| Saddle | Serfas Lola |
| Seatpost | JD Components, 31.6mm diameter |
| Hubs | Front: AMP Research D1, Rear: Shimano Deore XT |
|---|---|
| Rims | Mavic X221, 32-hole |
| Spokes | DT stainless steel, 2.0mm double-butted |
| Spoke nipples | Alloy nipples |
| Front tire | 26 x 1.90" Hutchinson On The Rocks |
| Wheel size | 26" wheels |
| Top tube | 574 mm |
|---|---|
| Head-tube angle | 71° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 426.7 mm |
| Wheelbase | 1066.8 mm |
| Fork offset / rake | 48.3 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 22, 2026.