Seatpost diameters are usually a multiple of 0.2 mm (but not always, as tables 1 and 2 show). If a measured value differs and most closely matches a value that is not a multiple of 0.2, there is a high probability that the closest multiple of 0.2 mm size will fit. For example, a measured 25.5 will most probably fit a 25.4 mm wide (nominal and measured width) seatpost. A rule of thumb is that the widest post that slides in without being forced (other than pushing or twisting by hand) is the right one. If it drops in, with play, before the pinch bolt is tightened, the seatpost is probably too narrow. So far I have not found any seat posts that are that small (no clue what became of the original) Any advise would be greatly appreciated.

The first bicycle frames were made mostly from steel, with steel tubes of a standard (outer) diameter. The British and Italian standard diameter for seat tubes was 1 1/8″ (28.6 mm). Older French bicycles used 28 mm tubing. Old US bicycles (mostly BMX and older bikes that used one-piece cranks) was 1″ (25.4 mm). The criminal trial for the murder of cyclist Moriah Wilson that has gripped the nation and cycling world alike gets underway in Austin, Texas, today.

Ok, so it's not cheap - but Canyon's VCLS seatpost is designed to offer superior vertical flex/compliance whilst maintaining lateral stiffness. A floating seat clamp means that saddle tilt is not affected by the comfort providing flexion. Related post – How to choose a comfortable saddle (the first in a series of 5 posts explains saddle materials): Bicycle saddle materials With a Cycling Weekly subscription you can improve your performance with our expert practical, nutritional and training tips W-T-P have always taken a lot of pride in ourselves and in building bikes that are capable of taking everything a rider throws at them. We are constantly at the forefront of developing and manufacturing materials that will with stand hard and furious riding and our designs are made to combat common breaks and bends." If all else fails, and taking a frame to a certified carbon repair shop is not an option, that could be attempted.

It might take time to source the particular needed combination, but Google and local bicycle shops are a way to go. alot of bikes are made with missmatched seatpost and you will also find some bikes that have a build up of paint around the seatpost hole,on most older steel bikes you can remove that old paint build up with a smooth round file and chase up the correct size seatpost,even some weld splatter stops seat post from fitting correctly,very common on older bikes,you seatpost should fit in without too much force and should not be floppy when you slide it down,you can buy seat post in just about every size,the older 25.4mm ones can still be found on new steel bikes,discarded old bikes are a very good place to look for hard to find seatposts. As is consistently the case, aluminium is perfectly adequate and will do the job. Carbon seatposts, however, offer greater dampening from road vibrations and are lighter. But bikes and bike parts are more than just functional items. We’re drawn to bicycles and components that not only appear to fit our performance criteria but also our eye. Enve makes lovely looking parts, including this seatpost, that no doubt provide joy to those who shell out their hard-earned cash for them. And in the end, it’s hard to argue against that. SpecsAs for the 0.2 mm difference, it is probably counter intuitive for many people, but in practice it can cause one, or several of the following: Bike manufacturer says 'contraction of the market' following the pandemic has taken its toll on the sector

Most seatposts are a lot wider than 15.75 mm. Machining the sidewalls down would weaken them tremendously in my opinion. Measuring a seat tube diameter is often necessary before purchasing, or changing the seatpost. How should one do that? Three methods will be explained here, but one can always be creative. 🙂

Enve's 2nd generation head is better than the old one but still not that good IMO, and it's expensive, overpriced as most things Enve.

Concerted efforts have been made in recent years to further squash out the road buzz that can translate to fatigue over long miles. Skinnier seatposts are in vogue at the moment for the same reason skinny seatstays are popular: the theory is that they offer greater flex and therefore comfort. Only valid for active forum users. Active means at least 30 postings within the last 30 days (no spam postings).The FSA SL-K head is harder to adjust precisely and it's heavy. FSA K-Force is lighter and has a similar 2 bolt design to the Save and exists in 25.4 but may be harder to find. Painting, or chrome plating could also be done – just take it into account when machining to not have the new seatpost too narrow, or too wide. If you use a carbon seatpost, make sure to fit it using a thin layer of carbon paste as this stops it slipping. Pay attention to the quoted torque at which you should tighten the bolt - overdoing it can cause it to snap. If you don't own a torque wrench already, here you can find our recommendations for the best torque wrenches for bikes. Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!" not a mention here of size 26.0 post on my old TREK antelope. That is the number stamped on the current post and it fits snug but slides nice so it must be correct. And the caliper confirms too. I am trying to find a seat thudbuster for that size. May be impossible as it looks to be a very rare size seatpost. suggestions? thanks, Brian maybe I should get a newer bike!!!!! It’s an antique.