Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Carbon -
Wheels 700c -
Groupset Force, SRAM -
Suspension Rigid -
Drivetrain 2 × 10 -
Brakes Rim
Sizing
Recommended size guide.
XS
151cm - 164cm
SM
160cm - 172cm
MD
166cm - 179cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
500 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube design, DuoTrap & SC Draft Box/SC Speed Box compatible
Suspension Fork
Bontrager Race Lite E2 Tri Speed Concept, carbon
Drivetrain
Rear Derailleur
SRAM Force
Front Derailleur
SRAM Force, braze-on
Shift Levers
SRAM 500 TT, bar end control, 10 speed
Cassette
SRAM PG-1070 11-26, 10 speed
Crank
SRAM Force, 53/39 (double)
Pedals
n/a
Wheels
Rims
Bontrager Aura 5 (XS: Formula XR210, 650c)
Tires
Bontrager R3, 700x23c (XS: Bontrager Race Lite, 650x25c)
Brakes
Brakes
SRAM Force front brake, Speed Concept integrated rear brake w/Bontrager Race Lite aero levers
Cockpit
Stem
Bontrager Race X Lite, 7 degree, 31.8mm
Handlebar
Bontrager Race X Lite Bullhorn, carbon w/Race Lite clip-ons
Headset
Integrated, sealed bearings, 1" top, 1-1/8" bottom
Seat
Saddle
Bontrager Race Lite TT WSD
Seatpost
Bontrager Speed Concept Race X Lite, carbon, +/-10mm offset
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD |
|---|---|---|---|
| Wheels | 700 | 700 | 700 |
| Rider Min Height | 151 cm | 160 cm | 166 cm |
| Rider Max Height | 164 cm | 172 cm | 179 cm |
About this model
Speed Concept 7.8 WSD is part of the Trek Speed model. Trek launched 112 bikes of this model so far. Take a sneak peek at all Trek Speed bikes models from 2012, by clicking here.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Average price for Triathlon bikes
According to our calculations, the average cost of a Triathlon bike that is reliable is 4177$. However, this doesn’t mean that if you spend less money on a Triathlon bike, you couldn’t get a decent one. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Speed Concept 7.8 WSD components
Fork material
When it comes to the fork, this bike has a carbon one, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels
When leaving the production line, the Speed Concept 7.8 WSD model has 700c aluminum wheels. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Rim brakes. Rim brakes are cheaper than hydraulic brakes, and also easier to maintain. However, they have problems in wet conditions.
Sizes
Speed Concept 7.8 WSD comes in 3 sizes, that range from 151 cm – 179 cm (4.95 ft – 5.87 ft). In conclusion, you won’t have a problem finding one that suits you.