ShockStop Seatpost
What kind of saddle bags can I use with the ShockStop Suspension Seatpost?
Most strap-based saddle bags fit the ShockStop Seatpost without issue. Rigid clips or clamps may not be compatible. Bags that attach only to the saddle or only to the post work fine, but if your bag connects to both, you’ll need to account for the...
Is the stiffness of the ShockStop Seatpost adjustable?
Absolutely! Our ShockStop Suspension Seatposts (City, Endurance, and PRO Endurance models) are designed to be adjusted for your weight and riding style. Each of these seatpost models includes two springs: a standard outer spring that works for...
Is there any damping in the ShockStop Seatpost System?
While damping is important for MTB because you're trying to absorb larger amplitude impacts, for high-frequency, small amplitude perturbations, it's better to have a very lightly damped system to maximize responsiveness. The plunger seals in the...
What is the warranty on the ShockStop Seatpost?
We stand behind every product that we sell, and we pride ourselves on the quality of our products, as well as the support that we provide to our customers. Redshift Sports warrants that all of our products are free from defects in material and...
How is the ShockStop Seatpost tested?
The seatpost is tested to the latest ISO 4210 standard for Racing & Mountain Bicycles. These standards typically specify "Static Strength" tests (i.e. one-time application of force) as well as "Fatigue" tests (i.e. repeated application of force)...
Will there be a carbon version of the ShockStop Seatpost?
Currently, we do not have plans to release a carbon version. If we get enough interest in a carbon version, we will consider adding it to our development roadmap. Please email us at [email protected] if you have an interest in seeing this...
Will the ShockStop Seatpost work for bikes with 25.4mm seat tubes?
Unfortunately, no, the ShockStop Seatpost will only fit bikes that have seatpost diameters of 27.2mm or larger.
How does the ShockStop Seatpost hold up to mud and sand?
The internal mechanism uses custom SKF seals to provide a robust barrier to mud, grit and water. They come from the same family of seals that you see on mountain bike front fork suspensions. While we expect these to hold up to heavy off-road...
Does the ShockStop Seatpost have a lock-out?
Great question! Neither the stem nor the seatpost have a lock-out feature and because of how they are designed, they don't need one. Both the stem and the seatpost have adjustable pre-load - this means you can dial in the exact stiffness and feel...
What is the weight limit for the ShockStop Suspension Seatpost?
The weight limit of each seatpost varies based on the seatpost model and diameter. ShockStop City 30.9mm: 139kg (308lb) 31.6mm: 139kg (308lb) ShockStop Endurance 27.2mm diameter: 110kg (242lb) 30.4mm: 27.2mm: 110kg (242lb) 31.6mm: 120kg (264lb)...
Will the springs/elastomers inside the ShockStop Seatpost need to be replaced?
No, the springs and elastomers in our seatposts are designed to last the lifetime of the seatpost. We’ve tested the performance of the springs extensively and selected the geometry and material of the spring specifically to withstand the rigors of...
Can I use a Rear Rack with my ShockStop Seatpost?
A rear rack is compatible with the ShockStop seatpost as long as the rear rack is supported in some other way (i.e. the seat-stays or chainstays). Rear racks that clamp directly to the seatpost and ONLY to the seatpost are not compatible with the...
What is the difference between the City, Endurance, Pro Endurance, and Pro Race seatposts?
Q: What is the difference between the City, Endurance, Pro Endurance, and Pro Race seatposts?. A: The differences primarily lie in their intended use, suspension mechanism, amount of travel, ride feel, and material properties (weight and affordabilit
How do I measure my seatpost length?
To determine the length you will need, measure your current seatpost from the seat collar to rails and compare column B in the chart below! So as an example, if your seatpost measures 275mm from Collar to Rails, you would need to purchase the 400mm l
Is the ShockStop Seatpost compatible with a Di2 battery?
Yes, the ShockStop Seatpost is compatible with Shimano Di2 internal batteries, but compatibility depends on the specific post model and its length:. ShockStop Pro Race: This model is the simplest, as both lengths are fully compatible with Di2 using a
What is the Setback/Offset of the Shockstop Seatpost?
The Shockstop Seatpost (City, Endurance, Pro Endurance and Pro Race) is 7mm when there is no load on the seat but with "static" body weight on the seat it could be closer to 10-12mm of offset depending on your sag setting.
Is the ShockStop Seatpost Compatible with a Brompton?
Q: Can I directly replace my standard Brompton seatpost with a Redshift ShockStop seatpost?. A: No. Brompton seatposts have a unique, integrated design to work specifically with their seat sleeve assemblies. Due to this design, we cannot guarantee di
Will the ShockStop Seatpost work with the Giant Revolt D shaped (D-fuse) seatpost?
The ShockStop Seatpost cannot be inserted directly into your Giant Revolt because the bike uses Giant's proprietary D-Fuse (D-shaped) seatpost. However, you can achieve compatibility by using a special Giant adapter that converts the D-Fuse seat tube
Is the ShockStop Seatpost compatible with a Campagnolo EPS Battery?
Unfortunately, we do not currently offer a direct, guaranteed solution for our suspension seatposts to house the Campagnolo Super Record EPS internal battery (V3 and V4). The primary issue lies with our Endurance and PRO Endurance models: they includ
Is the ShockStop seatpost compatible with Aero frames/seatposts/seatmasts?
Unfortunately, no, the ShockStop Seatpost is not compatible with proprietary aero-shaped seat tubes, non-round seatposts, or integrated seat masts. Our seatposts are designed to work only with bike frames that accept traditional, round seatposts (suc
How do you change elastomers/adjust stiffness in the ShockStop Pro Race?
Check out a video of how to swap the elastomers HERE!
Is the ShockStop seatpost compatible with the rear light on Specialized Vado?
For Vado models up to 2022 the light wire can not be run through the ShockStop due to the pre load screw and springs that are located internally. We have had customers run the wire externally by drilling a small hole in the bottom bracket area and up
What is the Maximum seat angle adjustment on the ShockStop Seatpost?
For the ShockStop Endurance, Pro Endurance and Pro Race:. Assuming a 73 degree seat tube angle, the seat post will accommodate 9.5 degrees of back tilt and 3.25 degrees of forward tilt:
How do I measure my seatpost?
To determine the correct seatpost size for your bike, you need two key measurements: the seatpost diameter and the seatpost length. This guide will show you exactly how to obtain both measurements so you can select the correct size. How to measure se