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Ridley Grifn RS Ultegra Di2 vs Specialized Diverge 4 Pro LTD - Shimano XTR/GRX Di2

Both are close enough that people cross-shop them at a similar price. Here is what actually separates them.

The short answer

For a typical all-round rider the Specialized Diverge 4 Pro LTD - Shimano XTR/GRX Di2 comes out ahead (74% against 69%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Ridley

Grifn RS Ultegra Di2

69% for a typical rider

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Specialized

Diverge 4 Pro LTD - Shimano XTR/GRX Di2

74% for a typical rider

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What actually separates them

Price
The Ridley Grifn RS Ultegra Di2 is £1,000 cheaper — £7,499 against £8,499.
Riding position
The Specialized Diverge 4 Pro LTD - Shimano XTR/GRX Di2 sits you more upright (1.52 stack-to-reach against 1.50). The Ridley Grifn RS Ultegra 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 Pro LTD - Shimano XTR/GRX Di2 takes 50mm tyres against 38mm — the single most common thing buyers wish they had more of.
Climbing gear
The Specialized Diverge 4 Pro LTD - Shimano XTR/GRX Di2 has the easier bottom gear (21 gear inches against 32), which matters more than weight on anything genuinely steep.

Side by side

Spec Grifn RS Ultegra Di2 Diverge 4 Pro LTD - Shimano XTR/GRX Di2
Price £7,499 £8,499
Weight 8.4 kg 8.5 kg
Frame carbon carbon
Groupset Shimano Ultegra R8100 Di2 2x12 Shimano XTR Di2 / GRX Di2 1x12 electronic
Stack / reach 1.50 1.52
Tyre clearance 38 mm 50 mm
Lowest gear 32 in 21 in
Mudguard mounts Yes Yes
Comfort 64 78
Speed 56 41
Climbing 56 78
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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