I am debating using one of the following for lap timing
A.Harrys lap timer on my iphone4s w mount, with a 5hz GPS unit ~$150
B.AiM Solo w mount ~$450
Does anyone have any experience with either of these systems?
A.Harrys lap timer on my iphone4s w mount, with a 5hz GPS unit ~$150
B.AiM Solo w mount ~$450
Does anyone have any experience with either of these systems?
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