3 Tools You Need to Replace Your Bicycle Saddle and Seatpost

Like if this guide is helpful
3 Tools You Need to Replace Your Bicycle Saddle and Seatpost

The replacing of the saddle and seatpost may appear to be a complicated procedure, however, with the correct tools it can be done in a swift, efficient and simple manner. There may be many different reasons for replacing the saddle and seatpost on a bicycle. For instance, one may wish to change the type of saddle being used so as to create additional comfort, or perhaps find one more suitable to the type of riding that is required. A replacement may also be required if the saddle is showing signs of wear and damage.

There are several tools one may need to replace the saddle and seatpost, all of which are available on eBay. The following guide aims to take those wishing to replace their saddle through the tools required and the various other considerations that come into play whilst the saddle is being replaced.

Type of Saddle and Seatpost

There are many varieties of saddles and seatposts available on the market, so the tools necessary for the job of replacing a saddle also vary depending on the type of saddle that is being taken off, as well as the replacement saddle. There are four main types of saddle and seatposts used in the cycling world. Here is a table detailing these saddles and their various attributes regarding the replacement process:

Racing Saddle

This type of saddle is used on the majority of racing bicycles, whether it is on the road or on the track. As far as their design goes, they tend to be a lot thinner than most bicycle saddles. The reason that they are so narrow is partly down to the way that the rider sits on the bicycle. For racing bicycles there is more of an emphasis, in terms of body weight, placed on the pedals and handlebars. Thus, a narrow saddle means that the cyclist can have a wider range of movements whilst riding to allow for more power and faster, more accurate handling. However, the saddle is still an important component on a racing bicycle. It needs to be at the correct height to allow for as much efficiency as possible for the rider whilst also providing a certain, if small, amount of comfort. This is because a lot of road racing bicycles are used for rides that last for an extended period of time. Racing bicycle saddles tend to be attached to the seat tube via the seatpost by either one or two binder bolts that sit on the side of the seatpost.

BMX Saddle

BMX saddles differ from most bicycle saddles in that they generally sit a lot lower and closer to the frame of the bicycle than the majority of saddle types. This is purely down to the fact that the saddle is not a fundamental part of a BMX bicycle, especially at an advanced level of riding. At this level it is mostly used as a rest point between races or the allotted time allowed for tricks and stunts. However, at a recreational level, BMX saddles can be fitted at most heights. Generally at this level, BMX riders tend to have their saddle and seatpost as low as possible or a little bit higher than this to allow for comfort whilst riding but also versatility if they wish to perform tricks. Much like racing saddles, BMX saddles are locked into the seat tube via one or two bolts that are tightly screwed in to allow for stability.

Comfort Saddle

The type of saddle known as the comfort saddle is a generic type of saddle that can be used on a number of different bicycles. For this reason, comfort saddles tend to be used at a recreational to intermediate level of cycling, as those who use them tend to see comfort as more of a priority than the other types of saddle available. Comfort saddles are often found on road bicycles, as well as mountain bikes. Whilst many comfort saddles are fitted into the seat tube with binder bolts, there are also those available that are designed for ‘quick release'. Quick release is a form of clamp that allows for seatposts to be adjusted whenever it is desired. This means that some comfort saddles require no tools to be replaced as the clamp can be released and the saddle and the seatpost pulled out of the seat tube. The replacement saddle can then slide right into the desired position.

Cruiser Saddle

Saddles of this nature are very much used at a recreational level and are used by the likes of commuters and those who enjoy riding purely for pleasure, as opposed to riding in a competitive or fitness-based environment. Cruiser saddles , unlike racing saddles and BMX saddles tend to be the focal point of the cyclist's body weight, as the bicycles they use tend to allow for the cyclist to sit up straight. This encourages a slower riding speed. In terms of the way that the saddle is fitted, cruiser saddles are much like comfort saddles. This is down to the fact that cruiser saddles are available with both bolt attachments, as well as being purchasable for use with a quick release clamp. More often than not, a saddle designed for use with threaded bolts can be used alongside a quick-release clamp, as the only difference is the threaded holes in the seatpost. This, however, entirely depends on the diameter of both the seatpost and the seat tube.

Tools Required for Replacing Your Bicycle Saddle and Seatpost

The tools that are needed during the replacement process of a saddle and seatpost are minimal. In fact, since the introduction of quick release clamps, it is often the case that the only thing necessary to replace a saddle is a replacement saddle itself. However, there are some tools that can be used to ensure that the saddle and seatpost are fitted as safely as possible, such as:

Fixed Wrench

The fixed wrench is used for the screwing and unscrewing of the binder bolts that may be found as the means of securing the saddle into place. It is important to use a fixed wrench so as not to damage the bolts as damage can cause the bolts to be hard to unscrew. Most bicycles, regardless of saddle type will require a fixed wrench that is either 13 millimetres or 14 millimetres in width.

Allen Key

Occasionally saddles and seatposts will be fitted with bolts that require an allen key as opposed to a fixed wrench. Due to the fact that the fitting devices used in putting a saddle into place tend to come with the bicycle itself, some bicycle manufacturers will provide a suitable allen key when the bicycle is initially purposed. If this is not the case then allen key sets can be purchased easily on the likes of eBay for wholly affordable prices. As a general rule, most recreational mountain bikes and comfort saddles will require a 5 millimetre allen key.

Measuring Tape

This is an important tool for those with racing bicycles, as well as those who wish for the most comfortable ride possible. A measuring tape should be used in order to measure the inner seem of the leg to ensure that the same distance is provided between the saddle and the pedal. This ensures maximum comfort, as well as a suitable and safe riding height.

Considerations When Replacing Your Saddle and Seatpost

There are a couple of considerations that should be thought about regarding the tools used during the saddle replacement process:

- Saddle Height: To ensure that the saddle is at the best and safe height, one should purchase a measuring tape that is long enough to measure the distance between the saddle and pedal, as well as the inner seem of the cyclist's leg. If a measuring tape is too short and a doubling up occurs, a level of accuracy may be lost and being as accurate as possible is key in the likes of high-level road racing.

- Saddle Lean: Some racing cyclists like to have their saddles leaning forward slightly. This shifts the emphasis of body weight even further onto the pedals and handlebars. Saddle lean can be adjusted by using an allen key or simply by pushing the nose of the saddle down if the particular design of saddle allows for this.

Buying Tools for Replacing Your Bicycle Saddle and Seatpost on eBay

If one is looking to purchase the tools mentioned in this guide at affordable prices and in a secure online environment, then eBay is the best option. It allows for products to be purchased at chosen rates via the Bidding option and theBest Offer option, as well as eBay shops often providing buyers to make use of the Buy It Now option.

eBay is also home to a large number of bicycle maintenance tools and accessories, as well as a wide variety ofSaddles and Seatposts. To view the listings for these items head to theSporting Goods area of the site and choose theCycling option. From here, make use of the Bike Maintenance and Tools filter tab and type in the desired tools in the search bar at the top of the page.

Ensure that the tools are in good condition, especially if buying used tools. This can be done by studying the images provided of the tool, as well as by reading the product description thoroughly.


Thus, there are three main tools that may be required during the saddle and seatpost replacement procedure:

- Fixed Wrench

- Allen Key

- Measuring Tape

Whilst it may be the case that neither the fixed wrench nor the allen key is necessary in replacing a saddle, a measuring tape is required to allow for a sensible fitting of the new saddle.

Be sure to find out whether the saddle on the bicycle is fitted via a quick release clamp or binder bolts. In doing this before buying tools, one can cut down on unnecessary spending.

If tools are required, using auction sites such as eBay are advantageous to potential buyers. However, be sure to read the terms of condition of the site before acquiring the necessary tools.

Have something to share, create your own guide... Write a guide
Explore more guides