The Sender Roller fits between and onto our 350 - 500 and 650 Ramps. You need 2 ramps the same size. You can use a straight and curved - straight to straight.
Roller does not come with ramps!
The Sender Roller allows riders to learn the skills involved in approaching and pumping on and off a feature to maintain speed and flow.
This product comes assembled due to the complexity of assembly.