Skip to content
WhichBike

Specialized Tarmac SL8 Comp - Shimano 105 Di2 vs Vitus Venon EVO-RS 105 Di2

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

The short answer

These two score within 1 point 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.

Specialized

Tarmac SL8 Comp - Shimano 105 Di2

74% for a typical rider

✓ Checked

Vitus

Venon EVO-RS 105 Di2

75% for a typical rider

✓ Checked

What actually separates them

Price
The Specialized Tarmac SL8 Comp - Shimano 105 Di2 is £1 cheaper — £3,599 against £3,600.
Weight
The Specialized Tarmac SL8 Comp - Shimano 105 Di2 is 0.2kg lighter, which you notice on long climbs more than anywhere else.
Riding position
The Vitus Venon EVO-RS 105 Di2 sits you more upright (1.48 stack-to-reach against 1.43). The Specialized Tarmac SL8 Comp - Shimano 105 Di2 is the more aggressive of the two — quicker if you can hold it, harder work if you cannot.
Tyre clearance
The Vitus Venon EVO-RS 105 Di2 takes 40mm tyres against 32mm — the single most common thing buyers wish they had more of.
Mudguards
Only the Vitus Venon EVO-RS 105 Di2 takes mudguards, which decides whether it can be your winter bike.

Side by side

Spec Tarmac SL8 Comp - Shimano 105 Di2 Venon EVO-RS 105 Di2
Price £3,599 £3,600
Weight 7.7 kg 7.9 kg
Frame carbon carbon
Groupset Shimano 105 Di2 R7170 2x12 electronic Shimano 105 Di2 R7100 12-speed
Stack / reach 1.43 1.48
Tyre clearance 32 mm 40 mm
Lowest gear 29 in 27 in
Mudguard mounts No Yes
Comfort 30 46
Speed 81 70
Climbing 74 74
Value 25 24

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