Bike type comparison
Specialized TarmacvsTrek Emonda
A side-by-side UK buyer's guide to help you pick the right type of bike for how you actually ride.
Overview
Two of the best all-round race bikes, with slightly different priorities. The Tarmac is Specialized's do-it-all racer, balancing low weight with aero tube shapes. The Emonda is Trek's pure climber, built to be as light as possible. On most roads they are closer than the marketing suggests.
At a glance
Quick verdict
speed
Tie
comfort
Tie
versatility
Specialized Tarmac
value
Tie
The Tarmac is the do-everything racer; the Emonda is the dedicated climber. On mixed UK roads the Tarmac is the more versatile pick.
- Pick the Tarmac for aero, all-round racing and one-bike versatility.
- Pick the Emonda for the lowest weight on long, steep climbs.
- They are closer in the real world than the spec sheets suggest.
- Inspect the carbon at the head tube and bottom bracket on either, used.
Feature by feature
Feature comparison
| Feature | Specialized Tarmac | Trek Emonda |
|---|---|---|
Focus Tarmac is the do-everything racer | All-round race, light plus aero | Pure lightweight climber |
Aerodynamics Tarmac is the more aero-focused | Aero tube shaping | Lightweight first, aero shaping on recent models |
Climbing Emonda edges the steepest climbs | Light | Lighter still |
Best use Tarmac for one-bike racing | Racing and fast group rides | Hilly routes and climbing days |
Decide
Which is best for you?
Choose Specialized Tarmac if...
- One race bike for everything
- Mixed routes with flats and climbs
- Riders who want aero and low weight
- Fast group rides and racing
Choose Trek Emonda if...
- Hilly and mountainous routes
- Riders chasing the lowest weight
- Climbing-focused riding
- A pure, lively race feel
Community
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Start the conversationQuestions
Frequently asked questions
Is the Tarmac or Emonda faster?
It depends on the road. The Tarmac's aero shaping makes it faster on the flat and at speed; the lighter Emonda edges it on long, steep climbs. For most mixed UK riding the Tarmac is the more versatile racer.
Which is better value used?
Both hold value well as flagship race platforms. The Tarmac's wider appeal means more come up used, so you get more choice. Inspect the carbon carefully around the head tube and bottom bracket on either.
Do I need an aero bike like the Tarmac?
Only if you ride fast on flat or rolling roads where aerodynamics earn their keep. If your riding is hilly, or you simply want the lightest bike, the Emonda's climbing focus suits you better.
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