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Seatposts
Seatposts For Sale
Seatposts aren't just for supporting the bike saddle. They play an important role in vertical compliance and comfort, including dropper posts designed for mountain biking. Pick between aerodynamic seatposts, convenient dropper posts, and standard posts here at Ridley's.
$149.99
Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.
Product details
Ultra-light carbon construction
One bolt head design offers easy fore-aft and infinite angle adjustment
Compatible with all Trek road bikes with round seat masts
Aluminium clamp
Includes 7mm round saddle clamp ears, 10mm ears sold separately
$259.99
Original replacement seatpost for Trek Domane MKIV.
Aerodynamic design
320mm length
20mm offset
Part number: W5285075
$304.99
Direct fit on 2016+ Madone 9-Series frames
Genuine replacement parts
Ultra-light carbon fiber shaft and head.
- 2-bolt design offers independent setback and tilt adjustments
- Does not include saddle clamp ears—7mm round and 10mm oval ears sold separately
$204.99
Trek-compatible seat mast cap Matte Onyx
Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.
Key features:
- Ultra-light carbon construction
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Compatible with all Trek road bikes with round seat masts
- 175mm and 135mm lengths
- 5mm and 20mm offsets
- Aluminum clamp
$204.99
Trek-compatible seat mast cap
Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately.
Key features:
- Ultra-light carbon construction
- One bolt head design offers easy fore-aft and infinite angle adjustment
- Compatible with all Trek road bikes with round seat masts
- 175mm and 135mm lengths
- 5mm and 20mm offsets
- Aluminum clamp
$224.99
Product details
- 5 g lighter than the standard Trek round seat cap
- Does not come with saddle clamp hardware
- Same mast cap found on the Émonda SLR 10
- Compatible with all Trek road bikes with round seat masts
Size : 175mm x 20mm
Length : 175mm
Offset : 20mm
Rail compatibility : Universal
Material : Carbon
Weight : 92g
$339.99
Aerodynamic design.
Genuine replacement parts
Original equipment integrated seatpost.
Aerodynamic design.
- Color matched for direct compatibility
- 7mm round and 10mm oval saddle rail clamp ears sold separately
$289.99 - $304.99
Direct fit on 2016+ Madone 9-Series frames
- Ultra-light carbon fiber shaft and head
- Original equipment integrated seatpost for 2016+ Trek Madone 9-series bikes
- The 2-bolt design offers independent set-back and tilt adjustments
- 100% OCLV carbon fiber shaft and head
- Does not include saddle ears – 7 mm round and 10 mm oval ears sold separately
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