Specialized Diverge 4 Sport Carbon - Shimano GRX 600 vs Trek Boone 5
Both are close enough that people cross-shop them at a similar price. Here is what actually separates them.
The short answer
These two score within 0 points of each other for a typical all-round rider, so there is no single winner — the right one depends entirely on which of the differences below you care about.
What actually separates them
- Price
- The Specialized Diverge 4 Sport Carbon - Shimano GRX 600 is £1 cheaper — £2,999 against £3,000.
- Weight
- The Trek Boone 5 is 1.3kg lighter, which you notice on long climbs more than anywhere else.
- Riding position
- The Specialized Diverge 4 Sport Carbon - Shimano GRX 600 sits you more upright (1.52 stack-to-reach against 1.50). The Trek Boone 5 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
- Tyre clearance
- The Specialized Diverge 4 Sport Carbon - Shimano GRX 600 takes 50mm tyres against 38mm — the single most common thing buyers wish they had more of.
- Climbing gear
- The Specialized Diverge 4 Sport Carbon - Shimano GRX 600 has the easier bottom gear (21 gear inches against 25), which matters more than weight on anything genuinely steep.
- Mudguards
- Only the Specialized Diverge 4 Sport Carbon - Shimano GRX 600 takes mudguards, which decides whether it can be your winter bike.
Side by side
| Spec | Diverge 4 Sport Carbon - Shimano GRX 600 | Boone 5 |
|---|---|---|
| Price | £2,999 | £3,000 |
| Weight | 9.8 kg | 8.5 kg |
| Frame | carbon | carbon |
| Groupset | Shimano GRX RX610 1x12 mechanical | SRAM Apex XPLR 1x12 mechanical |
| Stack / reach | 1.52 | 1.50 |
| Tyre clearance | 50 mm | 38 mm |
| Lowest gear | 21 in | 25 in |
| Mudguard mounts | Yes | No |
| Comfort | 78 | 63 |
| Speed | 25 | 55 |
| Climbing | 61 | 72 |
| Value | 9 | 19 |
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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