Bell 300 wireless Dashboard Cycling Computer($5 + Free Prime shipping), usually sells for $10
https://www.amazon.com/gp/product…UTF8&
Also on walmart.com, with free shipping for walmart+ or orders $35 and above
https://www.walmart.com/ip/Bell-D…/957294805
https://www.amazon.com/gp/product…UTF8&
https://www.amazon.com/gp/product…;amp;