Kuat Piston Pro Add On Dual Ratchet Platform Rack 1 Bike Sandy Black. The user-friendly modular design makes attaching the additional trays a no-brainer. THE PISTON Pro Add-Ons taking you AND your crew to the adventure. Specifications for Kuat Racks Piston Pro Add On - Dual Ratchet Platform Rack - 1 Bike - Sandy Black: Manufacturer: Kuat Racks Color: Sandy Black Features of Kuat Racks Piston Pro Add On - Dual Ratchet Platform Rack - 2 Bike - Sandy Black All metal construction OneTap hydro-pneumatic tire arms No frame contact Patented FastFit tool-free wheel chock system Package Contents: Kuat Racks Piston Pro Add On - Dual Ratchet Platform Rack - 2 Bike - Sandy Black Kuat PPA1B: Piston Pro Add On Dual Ratchet Platform Rack 1 Bike Sandy Black