Most Seatpost Wedge - F/X Series

Secure your ride with the Seatpost Wedge - F/X Series for dialed-in frame fit

What Our Gearhead® Experts Are Saying:

"I´ve used this wedge on several builds now—it´s super easy to install and really locks down the post with zero slip. Great compatibility with F-Series frames and a must-have for clean cockpit setups."

When dialing in our dream build, we don’t cut corners on fit—and the Seatpost Wedge - F/X Series helps us lock in that seamless connection between frame and post. Designed to sit flush within F-Series frames, this small but essential component delivers reliable clamping force and clean aesthetics.

Its compact form factor and high-precision tolerances make it a low-profile part that does a big job—keeping our seatpost stable through rowdy descents and high-watt climbs alike. Whether it´s the X3/1 or X9/7/5 kit, installation is simple, performance is proven, and our cockpit remains dialed from the first ride to the last.

Details

• Seatpost wedge for F-Series frames ensures secure post installation
• Compatible with X3/1 and X9/7/5 & F9/7/5 frame kits
• Precision-machined for seamless fit inside frame junction
• Lightweight design with reliable holding power
• Simple install with minimal tools required
• Compact profile for clean aesthetic integration
• Optimized for road, gravel, and mixed-terrain builds
• Item #MOS1WUS

Tech Specs

Material

alloy

Length

40mm

Claimed Weight

0.63oz (18g)

Manufacturer Warranty

2 years

Activity

bike maintenance

Manufacturer Part Number

PSSC000AM