size: 40cm-XS/S

All sizes feature reflective sidewalls

and mast hardware

so you can keep riding instead of adjusting layers

Leading edge steps for fast rolling (like a ramp)

KUAT Piston Pro 2 Bike Add-On - Dual Ratchet Platofrm Rack - Sandy Black - PPA2B hydration size: 40cm-XS/SIts lean. Its mean. Its a sweet bike hauling machine. The Piston Pro features some of the same great features as The Piston Pro X minus a few bells and whistles. Features like all metal construction, OneTap hydro pneumatic tire arms that make no contact on the bike frame, and tool free wheel chock slides. Don't worry, this thing still sings. FEATURES All Metal Construction OneTap Hydro Pneumatic Tire Arms No Frame Contact Semi integrated High Strand