K1 Speed 7 years ago ID: #4791 Listed In : Sports 2425 S 21st St , Phoenix. AZ, USA 85034 (949) 250-3340 Business Description K1 Speed, Address : 2425 S 21st St , Phoenix. AZ, USA 85034, Phone : (949) 250-3340 Reviews & Ratings Write a Review No Review. Please login / register to add your review.