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Specialized Allez Sport - Shimano Tiagra vs Trek Domane AL 5 Gen 4

Both are endurance bikes at a similar price. Here is what actually separates them.

The short answer

For a typical all-round rider the Specialized Allez Sport - Shimano Tiagra comes out ahead (76% against 73%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Specialized

Allez Sport - Shimano Tiagra

76% for a typical rider

£1,600 at Brand website
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Trek

Domane AL 5 Gen 4

73% for a typical rider

£1,600 at Brand website
Unverified

What actually separates them

Weight
The Specialized Allez Sport - Shimano Tiagra is 0.8kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The Trek Domane AL 5 Gen 4 sits you more upright (1.58 stack-to-reach against 1.56). The Specialized Allez Sport - Shimano Tiagra is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Trek Domane AL 5 Gen 4 takes 38mm tyres against 35mm — the single most common thing buyers wish they had more of.
Climbing gear
The Trek Domane AL 5 Gen 4 has the easier bottom gear (26 gear inches against 29), which matters more than weight on anything genuinely steep.

Side by side

Spec Allez Sport - Shimano Tiagra Domane AL 5 Gen 4
Price £1,600 £1,600
Weight 9.0 kg 9.8 kg
Frame alloy alloy
Groupset Shimano Tiagra 4720 2x10 mechanical Shimano 105 R7100 12-speed mechanical
Stack / reach 1.56 1.58
Tyre clearance 35 mm 38 mm
Lowest gear 29 in 26 in
Mudguard mounts Yes Yes
Comfort 63 74
Speed 44 29
Climbing 56 52
Value 41 30

Neither might be the right answer

This page assumes an average rider. Tell us how you actually ride and we will rank these two against everything else at the price.

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