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Cervélo Caledonia-5 Ultegra Di2 vs BMC Roadmachine 01 FOUR

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

The short answer

For a typical all-round rider the Cervélo Caledonia-5 Ultegra Di2 comes out ahead (79% against 74%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Cervélo

Caledonia-5 Ultegra Di2

79% for a typical rider

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BMC

Roadmachine 01 FOUR

74% for a typical rider

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What actually separates them

Price
The Cervélo Caledonia-5 Ultegra Di2 is £299 cheaper — £7,000 against £7,299.
Weight
The Cervélo Caledonia-5 Ultegra Di2 is 0.6kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The BMC Roadmachine 01 FOUR sits you more upright (1.53 stack-to-reach against 1.50). The Cervélo Caledonia-5 Ultegra Di2 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Cervélo Caledonia-5 Ultegra Di2 takes 41mm tyres against 34mm — the single most common thing buyers wish they had more of.
Mudguards
Only the Cervélo Caledonia-5 Ultegra Di2 takes mudguards, which decides whether it can be your winter bike.

Side by side

Spec Caledonia-5 Ultegra Di2 Roadmachine 01 FOUR
Price £7,000 £7,299
Weight 7.4 kg 8.0 kg
Frame carbon carbon
Groupset Shimano Ultegra Di2 2x12 electronic Shimano Ultegra Di2 2x12 electronic
Stack / reach 1.50 1.53
Tyre clearance 41 mm 34 mm
Lowest gear 29 in 27 in
Mudguard mounts Yes No
Comfort 63 69
Speed 69 57
Climbing 78 73
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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