Merida Reacto 4000 vs Ridley Helium Disc 105 2x11
Both are race bikes at a similar price. Here is what actually separates them.
The short answer
For a typical all-round rider the Merida Reacto 4000 comes out ahead (70% against 68%). That is not a universal verdict — change the terrain or the priority and the order can flip.
What actually separates them
- Price
- The Merida Reacto 4000 is £99 cheaper — £2,400 against £2,499.
- Riding position
- The Ridley Helium Disc 105 2x11 sits you more upright (1.47 stack-to-reach against 1.43). The Merida Reacto 4000 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
- Tyre clearance
- The Merida Reacto 4000 takes 32mm tyres against 28mm — the single most common thing buyers wish they had more of.
Side by side
| Spec | Reacto 4000 | Helium Disc 105 2x11 |
|---|---|---|
| Price | £2,400 | £2,499 |
| Weight | 8.9 kg | 8.8 kg |
| Frame | carbon | carbon |
| Groupset | Shimano 105 R7100 12-speed mechanical | Shimano 105 R7000 2x11 mechanical |
| Stack / reach | 1.43 | 1.47 |
| Tyre clearance | 32 mm | 28 mm |
| Lowest gear | 29 in | 29 in |
| Mudguard mounts | No | No |
| Comfort | 37 | 34 |
| Speed | 64 | 64 |
| Climbing | 58 | 59 |
| Value | 34 | 31 |
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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