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Wilier Triestina Rapida 105 Di2 vs Specialized Roubaix SL8 Comp - Shimano 105 Di2

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

The short answer

These two score within 0 points of each other for a typical all-round rider, so there is no single winner — the right one depends entirely on which of the differences below you care about.

Wilier Triestina

Rapida 105 Di2

77% for a typical rider

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Specialized

Roubaix SL8 Comp - Shimano 105 Di2

77% for a typical rider

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What actually separates them

Price
The Wilier Triestina Rapida 105 Di2 is £100 cheaper — £3,499 against £3,599.
Weight
The Wilier Triestina Rapida 105 Di2 is 0.6kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The Specialized Roubaix SL8 Comp - Shimano 105 Di2 sits you more upright (1.56 stack-to-reach against 1.47). The Wilier Triestina Rapida 105 Di2 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Specialized Roubaix SL8 Comp - Shimano 105 Di2 takes 40mm tyres against 36mm — the single most common thing buyers wish they had more of.
Mudguards
Only the Specialized Roubaix SL8 Comp - Shimano 105 Di2 takes mudguards, which decides whether it can be your winter bike.

Side by side

Spec Rapida 105 Di2 Roubaix SL8 Comp - Shimano 105 Di2
Price £3,499 £3,599
Weight 8.2 kg 8.8 kg
Frame carbon carbon
Groupset Shimano 105 Di2 R7150 2x12 electronic Shimano 105 Di2 R7170 2x12 electronic
Stack / reach 1.47 1.56
Tyre clearance 36 mm 40 mm
Lowest gear 27 in 26 in
Mudguard mounts No Yes
Comfort 59 73
Speed 62 46
Climbing 70 66
Value 24 18

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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