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Genesis Croix de Fer 20 vs Trek Domane AL 5 Gen 4

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 Trek Domane AL 5 Gen 4 comes out ahead (73% against 69%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Genesis

Croix de Fer 20

69% for a typical rider

Unverified

Trek

Domane AL 5 Gen 4

73% for a typical rider

£1,560 at Tredz

£40 under RRP. Free UK delivery over £20

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What actually separates them

Weight
The Trek Domane AL 5 Gen 4 is 1.6kg lighter, which you notice on long climbs more than anywhere else.
Tyre clearance
The Genesis Croix de Fer 20 takes 45mm tyres against 38mm — the single most common thing buyers wish they had more of.
Climbing gear
The Genesis Croix de Fer 20 has the easier bottom gear (23 gear inches against 26), which matters more than weight on anything genuinely steep.

Side by side

Spec Croix de Fer 20 Domane AL 5 Gen 4
Price £1,600 £1,600
Weight 11.4 kg 9.8 kg
Frame steel alloy
Groupset Shimano GRX 400 mechanical Shimano 105 R7100 12-speed mechanical
Stack / reach 1.58 1.58
Tyre clearance 45 mm 38 mm
Lowest gear 23 in 26 in
Mudguard mounts Yes Yes
Comfort 89 74
Speed 9 29
Climbing 44 52
Value 14 30

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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