Specialized Tarmac SL8 Comp - Shimano 105 Di2 vs Canyon Ultimate CF 8 Di2

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

The short answer

For a typical all-round rider the Canyon Ultimate CF 8 Di2 comes out ahead (76% against 74%). That is not a universal verdict — change the terrain or the priority and the order can flip.

Specialized

Tarmac SL8 Comp - Shimano 105 Di2

74% for a typical rider

£3,599 at Brand website

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Canyon

Ultimate CF 8 Di2

76% for a typical rider

£3,799 at Brand website

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What actually separates them

Price: The Specialized Tarmac SL8 Comp - Shimano 105 Di2 is £200 cheaper — £3,599 against £3,799.
Weight: The Canyon Ultimate CF 8 Di2 is 0.2kg lighter, which you notice on long climbs more than anywhere else.

Side by side

Spec	Tarmac SL8 Comp - Shimano 105 Di2	Ultimate CF 8 Di2
Price	£3,599	£3,799
Weight	7.7 kg	7.5 kg
Frame	carbon	carbon
Groupset	Shimano 105 Di2 R7170 2x12 electronic	Shimano Ultegra Di2 R8100 12-speed
Stack / reach	1.43	1.42
Tyre clearance	32 mm	33 mm
Lowest gear	29 in	29 in
Mudguard mounts	No	No
Comfort	30	37
Speed	81	82
Climbing	74	77
Value	25	22

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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