285/40 R21 - Best tyres 2024 - market overview, tests, reviews
Table of contents:
285/40 R21 tyre ranking based on test results
Tests usually don't cover the whole market - here is our selection what not to miss when shopping for tyres in this size.
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285/40 R21 doesn't belong to the most popular dimensions for 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 (285mm), which means the sidewall height has 114 mm. The wheel diameter is R21, which means it fits to a 21 inch/533.4mm diameter wheel. The total circumference of the tyre is mm, which is very similar to 255/70 R16(2398.29 mm), 195/55 R20(2269.8 mm), 265/35 R20(2178.69 mm), 195/70 R15(2054.6 mm), 265/45 R20(2345.2 mm), 205/45 R16(1856.37 mm), 265/70 R15(2362.48 mm).