Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset

Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset Factor
Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset Factor
Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset Factor
Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset Factor

Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset

Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset

Factor logo

What Makes the Ostro Gravel Carbon Seatpost Worth It?

The Factor Ostro Gravel Carbon Seatpost is purpose-built for the OSTRO Gravel frame, featuring a two-bolt clamp system that delivers exceptional stability and allows precise saddle angle micro-adjustments without slipping under load. The full carbon construction keeps weight low while absorbing road and trail vibration on long gravel days, and the 0mm offset geometry suits riders who prefer their saddle positioned directly over the clamp axis for a neutral to forward position.

Available in 350mm and 400mm lengths with both 0mm and 20mm offset options, this seatpost provides a tailored fit across a range of body geometries and riding styles. The proprietary frame-matched design integrates seamlessly with the Ostro Gravel seat tube and internal routing, maintaining the frame's clean aesthetic while ensuring a secure, rattle-free connection for hours in the saddle on mixed terrain.

Out of Stock
$295.00
$295.00
Shipping calculated at checkout.

Out of Stock

  • Orders over $100 ship free!
  • Estimated delivery: Sep 09 - Sep 13

Ask a question

The fields marked * are required.

more details:

Factor logo

Specifications

  • Material: Carbon fiber
  • Length: 350mm
  • Offset: 0mm
  • Clamp Type: Two-bolt
  • Compatibility: Factor Ostro Gravel frame

FAQ

Is this seatpost compatible with other Factor frames?

This seatpost is designed specifically for the Factor Ostro Gravel frame. Seat tube dimensions vary across Factor models, so confirm compatibility before ordering for a different frame.

Can I use any saddle with this seatpost?

Yes. The two-bolt clamp accepts standard saddle rails, so you are not limited to Factor-branded saddles and can use your preferred saddle from any manufacturer.

Should I choose 0mm or 20mm offset?

Choose 0mm offset if your fit calls for a neutral or forward saddle position over the bottom bracket. Opt for 20mm offset if your bike fit requires additional saddle setback behind the clamp axis.

Best For

Gravel racers running the Factor Ostro Gravel frame who want a weight-optimized, frame-matched seatpost with precise micro-adjustable saddle positioning for long mixed-terrain days and competitive events.

Questions About This One?

Not sure on size, fit, or whether this is the right one for you? Ask us. A real person here will answer.

You are asking about Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset

Goes straight to the shop with the product you were looking at attached. No newsletter signup.

Factor Ostro Gravel Carbon Seatpost - 350mm | 0mm Offset Reviews:

You may also like