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Find the optimal tire pressure to achieve the most out of your bike. This tire pressure calculator provides a recommended starting point for your bike tires.
This pressure guide is a starting point recommendation and further refinements are encouraged to find the right pressure for any given setup.
Suggested tire pressure exceeds rim pressure rating.
Please select a large tire size
Suggested tire pressure exceeds rim pressure rating. Please select a larger tire size
CS|Cycling-Sport's tire pressure calculator is to be used as a reference tool for end-users. Please respect the ETRTO guidelines limiting maximum tire pressure to 72.5 psi / 5 bar for Tubeless Straight Sidewall (TSS) or ‘Hookless’ type rims. This tool should be used strictly as a resource, and no warranty or guarantee is granted.
NEVER exceed the maximum pressure of the tire or rim.
Choose the maximum pressure from whichever pressure specification is lower.
Tire width can be found on the side of your tire. It can be displayed many ways: ETRTO, French (metric), or English (imperial)
Below you can find a link to an ETRTO Chart with its conversions if you are having trouble finding your tire width.
How to locate width:
If using ETRTO, French or English measurements the with will be displayed differently Here are some examples:
ETRTO: 25-622 = 25mm (or 1 inch)
FRENCH: 700 x 28c = 28mm (or 1.10 inch)
ENGLISH: 29 x 2.25 = 2.25inch (or 55mm)
MTB: 29 x 2.3 indicates a tire with a 29" outer diameter and a 2.3" width
ROAD: 700x25c indicates a tire with a 700mm outer diameter and a 25mm width.
A tire’s casing is the main body and structure of the tire and is generally constructed of one or more layers (referred to as “plies,” and often described with a thread per inch, or “tpi,” count) of a woven cloth material that are covered in rubber to hold it all together, seal in air, and offer some abrasion resistance.
Standard: A tire typically with 60-320tpi and is normally standard for road bikes
Reinforced: A tire typically with a 60-120tpi with an added casing construction such as soft plastic or hard rubber insert. For MTB you will commonly see EXO or EXO+
Down Hill or Double Ply: A tire typically with 60-120tpi but with dual-layers (or dual-ply). DH Casings can also have a butyl insert to add to stablity.