Donation Amount

Select the amount you would like to donate to Rob Ah Sing's 50 mi challenge.

$50

$100

$250

$500

$2,500

Other

Donation Calculator

Calculate your donation based on an amount per-mile Rob Ah Sing has committed to ride this September. Your total donation will be the amount you select multiplied by Rob Ah Sing's 50 mi challenge goal and will be charged up-front.

$0.30 cents/mi

$0.50 cents/mi

$0.80 cents/mi

$1/mi

$1.50/mi

$2/mi