



EA90 ISA SeatpostEaston's new EA90 seatpost applies our patent pending ISA saddle adjustment allowing for independent seat angle and fore aft movement, helping you refine your positioning without needing to undo your rail clamps for each minute tweak. Saddle angle is then locked in place so you have the confidence your saddle will stay put after you find your fit. Available in 20 mm setback and zero options.
Quick Dispatch:
Your EA90 ISA Seatpost orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your EA90 ISA Seatpost ships.
Need Help?
Questions about EA90 ISA Seatpost, sizing, or delivery? We're just an email away.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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