3S mean 3 sided. This bump works incredible as a stand alone. With the straight side you can combine it perfectly with almost all Lean Elements. This gives you a lot of extra lines and upgrades your excisting elements. The 3 sides can be either take off, landing or wall.
3S Bump new, (on stock USA)
Location, Shipping: Chicago, USA / can be picked up by trailor or ask for shipping
Condition: New, 5 years warranty left