Skip to content
WhichBike

BMC Roadmachine THREE vs Trek Domane SL 5 Gen 5

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

The short answer

For a typical all-round rider the Trek Domane SL 5 Gen 5 comes out ahead (80% against 75%). That is not a universal verdict — change the terrain or the priority and the order can flip.

BMC

Roadmachine THREE

75% for a typical rider

✓ Checked

Trek

Domane SL 5 Gen 5

80% for a typical rider

✓ Checked

What actually separates them

Price
The BMC Roadmachine THREE is £101 cheaper — £2,399 against £2,500.
Weight
The Trek Domane SL 5 Gen 5 is 0.4kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The Trek Domane SL 5 Gen 5 sits you more upright (1.58 stack-to-reach against 1.53). The BMC Roadmachine THREE is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Trek Domane SL 5 Gen 5 takes 40mm tyres against 34mm — the single most common thing buyers wish they had more of.

Side by side

Spec Roadmachine THREE Domane SL 5 Gen 5
Price £2,399 £2,500
Weight 9.2 kg 8.8 kg
Frame carbon carbon
Groupset Shimano 105 R7100 mechanical 2x12 Shimano 105 R7120 2x12 mechanical
Stack / reach 1.53 1.58
Tyre clearance 34 mm 40 mm
Lowest gear 26 in 27 in
Mudguard mounts Yes Yes
Comfort 69 88
Speed 43 37
Climbing 61 62
Value 31 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.

Find my bike

Related comparisons