Suspension Post 27.2mm x 350mm – 43mm Travel Bike Seatpost

27.2mm Suspension Post with 43mm Travel

This 27.2 mm suspension post provides extra movement beneath the saddle to help make rough and uneven surfaces more comfortable while seated. It combines a 350 mm overall length with 43 mm of suspension travel and a conventional saddle clamp. The post weighs approximately 489 g, making it a practical option for riders who value additional seated comfort without moving to a much more complex seatpost system.

Key Features

• 27.2 mm diameter fits bike frames designed for a 27.2 mm seatpost.
• 43 mm of suspension travel allows movement at the saddle when riding over uneven surfaces.
• 350 mm total seatpost length.
• 250 mm from the bottom of the seatpost tube to the bottom of the suspension collar.
• 80 mm minimum insertion provides an important reference when checking compatibility with your bike frame.
• Standard adjustable saddle clamp allows the saddle position to be set during installation.
• Approximately 489 g total weight.

Suspension Post Specifications

• Product type: Bicycle suspension seatpost.
• Seatpost diameter: 27.2 mm.
• Total length: 350 mm.
• Lower tube length to bottom of suspension collar: 250 mm.
• Minimum insertion: 80 mm.
• Suspension travel: 43 mm.
• Weight: Approximately 489 g.
• Colour: Black.

How to Adjust the Suspension Sensitivity

You can adjust the suspension post to give a firmer or softer response by changing the spring preload. The adjustment point is the hex bolt located at the bottom of the seatpost tube. This allows you to tune how readily the 43 mm suspension mechanism moves under your weight and when riding over bumps.

• Turn the bottom hex bolt clockwise to increase the spring preload. This creates a firmer suspension response and can suit heavier riders or riders who want less movement while pedalling.
• Turn the hex bolt anticlockwise to reduce the spring preload. This creates a softer, more sensitive response that allows the suspension to move more readily over smaller bumps and uneven surfaces.
• Make adjustments in small increments, then sit on the bike or take a short test ride to check the response before adjusting it further.
• Aim for a setting that allows the suspension to move over bumps without compressing excessively during normal seated riding.
• Do not force the adjustment bolt when it reaches the end of its adjustment range or loosen it excessively.

Rider weight, riding position and the type of surface can all affect the best setting. A lighter rider may prefer less preload for a more responsive feel, while a heavier rider may need additional preload to prevent the post moving too easily. There is no single correct setting, so adjust the suspension gradually until it feels comfortable and controlled for your riding.

Benefits

1. The 43 mm suspension section provides movement beneath the saddle and can reduce some of the sharp feedback felt when riding over uneven surfaces.
2. The 27.2 mm diameter suits many bikes that use this common seatpost size.
3. Clearly stated dimensions make it easier to check whether the post will provide the required saddle height on your bike.
4. The 80 mm minimum insertion marking helps riders install the post with enough of the lower tube inside the frame.
5. The suspension design can be useful for commuting, recreational cycling and bikes regularly ridden on less-than-perfect surfaces.

Common Questions

• Q: What diameter is this suspension post?
  A: The seatpost tube has a diameter of 27.2 mm. Your bike frame must accept a 27.2 mm post or use a suitable seatpost shim where appropriate.
• Q: How much suspension travel does it have?
  A: The suspension mechanism provides 43 mm of travel.
• Q: What is the total length?
  A: The complete suspension post measures 350 mm from end to end.
• Q: How long is the lower seatpost tube?
  A: It measures 250 mm from the bottom of the tube to the bottom of the suspension collar.
• Q: What does the 80 mm minimum insertion mean?
  A: At least 80 mm of the lower seatpost tube should remain inside the bike frame. Always follow any greater minimum insertion requirement specified by your bicycle frame manufacturer.
• Q: Is the 43 mm measurement the same as dropper-post travel?
  A: No. The 43 mm measurement refers to suspension movement beneath the saddle rather than adjustable dropper-post height.
• Q: How much does the suspension post weigh?
  A: The complete post weighs approximately 489 g.
• Q: Can I use this post if my bike has a larger seat tube?
  A: A suitable seatpost shim may allow a 27.2 mm post to fit certain larger seat tube sizes. The shim must match both the 27.2 mm post and the diameter required by the bike frame.

Summary

This 27.2 mm suspension post is a practical choice for riders looking for more seated comfort from their bike. It offers 43 mm of suspension travel, a 350 mm total length and a clearly defined 80 mm minimum insertion requirement. Before ordering, check your bike's seatpost diameter, insertion depth and required saddle height to make sure the dimensions suit your setup.