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Specialized Unveils Aethos 2: Lightest Road Bike Yet!

10/3/2025

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Summary

Story summary

Specialized launched Aethos 2, its lightest road bike, with updated geometry.
The Aethos 2 Pro Di2 lists £7,249 / $8,499, with Shimano Ultegra Di2 shifting and a claimed 6.73 kg.
It offers 35 mm tyre clearance, up from 32 mm, and the Alpinist II cockpit.
Lineup includes S-Works, Pro, Expert; S-Works weighs 5.98 kg and costs £11,499 / $13,999.

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Story summary

Specialized launched Aethos 2, its lightest road bike, with updated geometry.
The Aethos 2 Pro Di2 lists £7,249 / $8,499, with Shimano Ultegra Di2 shifting and a claimed 6.73 kg.
It offers 35 mm tyre clearance, up from 32 mm, and the Alpinist II cockpit.
Lineup includes S-Works, Pro, Expert; S-Works weighs 5.98 kg and costs £11,499 / $13,999.