Specialized Aethos 2 Pro - SRAM Force AXS vs Specialized Aethos 2 Pro - Shimano Ultegra Di2

Both are endurance 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

Aethos 2 Pro - SRAM Force AXS

77% for a typical rider

£7,249 at Brand website

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Specialized

Aethos 2 Pro - Shimano Ultegra Di2

76% for a typical rider

£7,249 at Brand website

✓ Checked

What actually separates them

Climbing gear: The Specialized Aethos 2 Pro - SRAM Force AXS has the easier bottom gear (29 gear inches against 32), which matters more than weight on anything genuinely steep.

Side by side

Spec	Aethos 2 Pro - SRAM Force AXS	Aethos 2 Pro - Shimano Ultegra Di2
Price	£7,249	£7,249
Weight	6.7 kg	6.7 kg
Frame	carbon	carbon
Groupset	SRAM Force AXS E1 2x12 electronic	Shimano Ultegra Di2 R8100 2x12 electronic
Stack / reach	1.48	1.48
Tyre clearance	35 mm	35 mm
Lowest gear	29 in	32 in
Mudguard mounts	No	No
Comfort	47	47
Speed	83	83
Climbing	85	77
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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