Specialized Tarmac SL9 Comp - Shimano 105 Di2 vs Trek Madone SL 6 AXS Gen 8

Both are race bikes 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 SL9 Comp - Shimano 105 Di2

71% for a typical rider

£3,999 at Brand website

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Trek

Madone SL 6 AXS Gen 8

72% for a typical rider

£4,000 at Brand website

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What actually separates them

Price: The Specialized Tarmac SL9 Comp - Shimano 105 Di2 is £1 cheaper — £3,999 against £4,000.
Climbing gear: The Trek Madone SL 6 AXS Gen 8 has the easier bottom gear (26 gear inches against 29), which matters more than weight on anything genuinely steep.

Side by side

Spec	Tarmac SL9 Comp - Shimano 105 Di2	Madone SL 6 AXS Gen 8
Price	£3,999	£4,000
Weight	8.2 kg	8.1 kg
Frame	carbon	carbon
Groupset	Shimano 105 Di2 R7100 2x12 electronic	SRAM Rival AXS E1 2x12 electronic
Stack / reach	1.43	1.44
Tyre clearance	32 mm	32 mm
Lowest gear	29 in	26 in
Mudguard mounts	No	No
Comfort	44	40
Speed	69	72
Climbing	67	73
Value	14	15

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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