Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 31179
| Model year | 2004 |
|---|---|
| Brand | Trek |
| Model | 4100 |
| Bicycle type | Mountain bike, front suspension |
| Archive ID | 31179 |
| Original MSRP | $319.99 |
| Colors | Black Chrome/Ball-Burnished, Black/Red |
| Sizes | 13", 16", 18", 19.5", 21", 22.5", womens 16" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Aluminum |
| Fork | InSync Grind 320, 70mm travel |
| Fork material | Aluminum, single crown |
| Rear shock | N/A |
| Component group | Mountain Mix |
|---|---|
| Shifters | Shimano ST-EF29 EZ Fire STI |
| Front derailleur | Shimano C051 |
| Rear derailleur | Shimano Alivio |
| Crankset | Suntour XCC-100, 28/38/48 teeth |
| Rear cogs | 7-speed, 14 - 34 teeth |
| Chain | 1/2 x 3/32" |
| Pedals | Nylon platform |
| Brakes | Aluminum linear-pull brakes, Shimano ST-EF29 EZ Fire STI levers |
|---|
| Headset | 1 1/8" threadless Aheadset |
|---|---|
| Handlebar | Aluminum, 1.25" rise |
| Handlebar extensions | Not included |
| Stem | Aluminum threadless |
| Saddle | Bontrager Sport |
| Seatpost | Aluminum micro-adjust |
| Hubs | Aluminum, Q/R |
|---|---|
| Rims | Matrix 550, 32-hole |
| Spokes | Stainless steel, 14ga. (2.0mm) straight gauge |
| Spoke nipples | Brass nipples |
| Front tire | 26 x 2.00" Bontrager Connection |
| Wheel size | 26" wheels |
| Top tube | 558.8 mm |
|---|---|
| Head-tube angle | 70.5° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 430 mm |
| Wheelbase | 1047 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.