Product Detail Chromoly steel tubing with engineered gussets 70lb/32kg weight capacity 2 water bottle attachments Compatible with 160mm rear spacing of Santana tandems Plus indicates trailer comes with Dry Sak . The "BOB Yak Santana Plus Trailer In Black Includes Dry Sak" is best product for you. We recommended BOB Yak Santana Plus Trailer In Black Includes Dry Sak