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Specialized Diverge 4 Expert - Shimano GRX Di2 vs LOOK G85 Cezal GRX Di2 2x12 / Fulcrum Soniq Carbon

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

The short answer

For a typical all-round rider the Specialized Diverge 4 Expert - Shimano GRX Di2 comes out ahead (72% against 64%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Specialized

Diverge 4 Expert - Shimano GRX Di2

72% for a typical rider

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What actually separates them

Price
The Specialized Diverge 4 Expert - Shimano GRX Di2 is £300 cheaper — £5,499 against £5,799.
Riding position
The LOOK G85 Cezal GRX Di2 2x12 / Fulcrum Soniq Carbon sits you more upright (1.57 stack-to-reach against 1.52). The Specialized Diverge 4 Expert - Shimano GRX Di2 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Specialized Diverge 4 Expert - Shimano GRX Di2 takes 50mm tyres against 45mm — the single most common thing buyers wish they had more of.
Climbing gear
The Specialized Diverge 4 Expert - Shimano GRX Di2 has the easier bottom gear (21 gear inches against 23), which matters more than weight on anything genuinely steep.
Mudguards
Only the Specialized Diverge 4 Expert - Shimano GRX Di2 takes mudguards, which decides whether it can be your winter bike.

Side by side

Spec Diverge 4 Expert - Shimano GRX Di2 G85 Cezal GRX Di2 2x12 / Fulcrum Soniq Carbon
Price £5,499 £5,799
Weight 8.9 kg 8.9 kg
Frame carbon carbon
Groupset Shimano GRX Di2 RX825 1x12 electronic Shimano GRX RX825 Di2 2x12
Stack / reach 1.52 1.57
Tyre clearance 50 mm 45 mm
Lowest gear 21 in 23 in
Mudguard mounts Yes No
Comfort 78 87
Speed 36 30
Climbing 73 70
Value 0 0

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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