Uses front tire 700C×25; rear size isn’t listed.
Velopedia Bicycle Archive
2005 Trek 2100 WSD
Original specifications: Shimano Ultegra · 9-speed · mechanical rear derailleur · 700c wheels.
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At a glance
- Model year
- 2005
- Category
- Road
- Original MSRP
- $1,679.99
- Sizes
- 43cm, 47cm, 51cm, 54cm, 56cm
- Colors
- Red/White
- In this record
- 23 specifications · archived image · original MSRP
- Archive ID
- 10434
Model history 1 other year
Original buildZR 9000 aluminum/carbon stays · Road Mix Triple · 700c wheels
Frameset
| Frame Construction | TIG-welded/bonded |
|---|---|
| Frame Material | ZR 9000 aluminum/carbon stays |
| Fork | Bontrager Race |
| Fork Material | Carbon fiber, aero crown |
Drivetrain
| Component Group | Road Mix Triple |
|---|---|
| Shifters | Shimano Ultegra STI Dual Control |
| Front Derailleur | Shimano 105 |
| Rear Derailleur | Shimano Ultegra |
| Crankset | Bontrager Race Lite, 30/42/52 teeth |
| Rear Cogs | 9-speed, 12 - 26 teeth |
| Chain | 1/2 x 3/32" |
| Pedals | Shimano PD-M520 SPD |
Brakes
| Brakes | Shimano 105 Dual Pivot brakes, Shimano 105 STI Dual Control levers |
|---|
Cockpit & Contact Points
| Handlebar | Bontrager Race |
|---|---|
| Handlebar Extensions | Not included |
| Stem | Bontrager Race |
| Saddle | Bontrager Select WSD |
| Seatpost | Bontrager Race X Lite carbon |
Wheels & Tires
| Hubs | Bontrager Race |
|---|---|
| Rims | Bontrager Race |
| Spokes | Stainless steel |
| Front Tire | 700 x 25c Bontrager Race Lite |
| Wheel Size | 700c wheels |
Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Parts & serviceability
Find replacement parts

Vittoria Zaffiro Pro V Clincher Tire Black, 700x25
700x25c
Replacement option
More parts (9)Fewer parts
30/42/52 teeth
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2005 Trek 2100 WSD · Road race & triathlon · Published sizes: 43cm, 47cm, 51cm, 54cm, 56cm
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded/bonded · Fork: Bontrager Race · Carbon fiber, aero crown
Drivetrain
Check drivetrain wear →Archived: Group: Road Mix Triple · Shifters: Shimano Ultegra STI Dual Control · Front derailleur: Shimano 105 · Rear derailleur: Shimano Ultegra · Crankset: Bontrager Race Lite, 30/42/52 teeth · Rear cogs: 9-speed, 12 - 26 teeth · Chain: 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Shimano 105 Dual Pivot brakes, Shimano 105 STI Dual Control levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 700c wheels · Rims: Bontrager Race · Hubs: Bontrager Race · Front tire: 700 x 25c Bontrager Race Lite
Controls and contact points
Archived: Handlebar: Bontrager Race · Stem: Bontrager Race · Seatpost: Bontrager Race X Lite carbon · Saddle: Bontrager Select WSD · Pedals: Shimano PD-M520 SPD
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help document firsthand fit, ride and maintenance details that may no longer be available.
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.





