Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 91221
| Model year | 2002 |
|---|---|
| Brand | Bilenky |
| Model | Eco Mtn 631 |
| Bicycle type | Folding |
| Archive ID | 91221 |
| Original MSRP | $1,895.00 |
| Colors | Custom |
| Sizes | 13",15",17",19",21" |
| Weight | 25 lb |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Reynolds 631 |
| Fork | Answer Manitou Mars Elite, 3.15" travel |
| Fork material | Single triple-clamp |
| Rear shock | N/A |
| Component group | Shimano Deore XT |
|---|---|
| Shifters | Shimano Deore RapidFire SL |
| Front derailleur | Shimano Deore XT top-swing, top-pull/clamp-on 28.6mm |
| Rear derailleur | Shimano Deore XT SGS |
| Bottom bracket | Shimano BB-ES70, 113mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 9-speed, Buyer's choice of gearing |
| Chain | Shimano CN-HG72, 1/2 x 3/32" |
| Pedals | Time ATAC Alium |
| Brakes | Avid Single Digit 7 brakes, Avid Speed Dial 5 levers |
|---|
| Headset | 1 1/8" threadless Dia-Compe SAS |
|---|---|
| Handlebar | Answer Taperlite |
| Handlebar extensions | Not included |
| Stem | Answer Orbit |
| Saddle | SDG Comp Bel Air |
| Seatpost | Titec 6061, 27.2mm diameter |
| Rims | Mavic Crossroc UST Disc, 24-hole |
|---|---|
| Spokes | Mavic stainless steel, straight pull |
| Spoke nipples | Brass nipples |
| Front tire | 26 x 2.00" Hutchinson Python Tubeless |
| Wheel size | 26" wheels |
| Top tube | 590.5 mm |
|---|---|
| Head-tube angle | 71.5° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 425.4 mm |
| Wheelbase | 1059.2 mm |
| Fork offset / rake | 38.1 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 23, 2026.