Specialized Roubaix SL8 Sport 105 vs Fairlight Strael 4.0 105 Di2
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 Roubaix SL8 Sport 105 comes out ahead (75% against 70%). That is not a universal verdict — change the terrain or the priority and the order can flip.
What actually separates them
- Price
- The Specialized Roubaix SL8 Sport 105 is £95 cheaper — £2,900 against £2,995.
- Weight
- The Specialized Roubaix SL8 Sport 105 is 0.7kg lighter, which you notice on long climbs more than anywhere else.
- Tyre clearance
- The Specialized Roubaix SL8 Sport 105 takes 40mm tyres against 35mm — the single most common thing buyers wish they had more of.
- Shifting
- Only the Fairlight Strael 4.0 105 Di2 has electronic shifting. Crisper and lower maintenance, but it needs charging and costs more to replace.
- Mudguards
- Only the Fairlight Strael 4.0 105 Di2 takes mudguards, which decides whether it can be your winter bike.
Side by side
| Spec | Roubaix SL8 Sport 105 | Strael 4.0 105 Di2 |
|---|---|---|
| Price | £2,900 | £2,995 |
| Weight | 8.9 kg | 9.6 kg |
| Frame | carbon | steel |
| Groupset | Shimano 105 R7100 mechanical | Shimano 105 R7100 Di2 |
| Stack / reach | 1.56 | 1.54 |
| Tyre clearance | 40 mm | 35 mm |
| Lowest gear | 26 in | 26 in |
| Mudguard mounts | No | Yes |
| Comfort | 74 | 73 |
| Speed | 43 | 37 |
| Climbing | 65 | 55 |
| Value | 18 | 8 |
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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