Road Bike Spacers Above Stem
Just to put the stem down because that s the way some 20 year old italian racer has it doesn t work.
Road bike spacers above stem. The bike fit needs to look like the rider. Replacing or adjusting headset spacers. Supposing you just wanted a comfortable road bike. For carbon steerers manufacturers reccomend not exceeding 40mm of spacers underneath the stem.
All bolts in the stem are standard threaded i e. Sanzhi bike stem 25 4 31 8 110mm 0 60 degree adjustable mtb riser stem short handlebar stem mountain bike stem for bicycle mtb road bike cycling bmx by sanzhi 19 99 19. It says to not use spacers above the stem because this means the lower stem bolt will exert pressure on part of the steerer that isn t supported by the fork bung. Generally most bikes have 20 to 30mm of headset spacers that can be moved freely above or below the stem.
A little more like 10 mm if preserving some resale value of the bike is a concern for you this. Same goes if you ride. The plug assembly resists crushing at the top of the stem. If the rider s look has changed the bike can change.
Spacers above stem depends on the manufacturer s design. Can someone identify this vintage bike. Replacing or adjusting headset spacers is a relatively easy job. The frame cracked before i got around to getting the hacksaw and files sandpaper on it.
Lefty loosey and righty tighty. On street parking creates hazards for drivers and cyclists. The more and more serious you become about the sport which has to include working on your core strength then yes you can lower your stem. I leave 5 mm minimum and a 10 mm more often.
That said i rode the bike before this last one with 20 mm worth of spacers above the stem. My bike came with a 5mm spacer above the stem and 3 10mm spacers below it. But if you are heavy ride with a long stem and your handlebar is far below the height of your saddle you should be cautious about using more than say 25 30mm of spacers. Eg specialized s carbon steerer tubes expander plugs are designed to be compatible with no spacers above stem.