I tried my new castelli bib longs today as being it was unseasonably mild they were the perfect weight. 111miles later I can confirm they were ideal for today’s average temperature of 9deg C. I reckon they’ll be good for temperatures below that too but today’s ride was a neutral effort ride as it was a spur of the moment choice and I only had 1 bottle for what I originally planned (Circa 50miles).
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