Trek Domane AL 5 Gen 4 vs Specialized Allez Comp - Shimano 105
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 Comp - Shimano 105 comes out ahead (76% against 73%). That is not a universal verdict — change the terrain or the priority and the order can flip.
What actually separates them
- Price
- The Trek Domane AL 5 Gen 4 is £99 cheaper — £1,600 against £1,699.
- Weight
- The Specialized Allez Comp - Shimano 105 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 Comp - Shimano 105 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.
Side by side
| Spec | Domane AL 5 Gen 4 | Allez Comp - Shimano 105 |
|---|---|---|
| Price | £1,600 | £1,699 |
| Weight | 9.8 kg | 9.1 kg |
| Frame | alloy | alloy |
| Groupset | Shimano 105 R7100 12-speed mechanical | Shimano 105 R7100 2x12 mechanical |
| Stack / reach | 1.58 | 1.56 |
| Tyre clearance | 38 mm | 35 mm |
| Lowest gear | 26 in | 27 in |
| Mudguard mounts | Yes | Yes |
| Comfort | 74 | 63 |
| Speed | 29 | 44 |
| Climbing | 52 | 59 |
| Value | 30 | 35 |
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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