700/40 R22.5 - Best allround tyres 2025 - market overview, tests, reviews

700/40 R22.5 doesn't belong to the most popular dimensions for allround tyres - there are tyre models available, which can be compared to 325/30 R21, 155/60 R15, 155/65 R13. Let's break down the sizing - 40 is height of the tyre, which is calculated as 40% of the tyre width (700mm), which means the sidewall height has 280 mm. The wheel diameter is R23, which means it fits to a 23 inch/584.2mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 235/45 R17(2020.99 mm), 235/55 R18(2248.44 mm), 235/65 R18(2396.09 mm), 155/80 R13(1816.47 mm), 245/35 R21(2214.51 mm), 165/65 R13(1711.23 mm), 245/45 R19(2208.85 mm).